D24. American ACME D02 D25 D26 D28 D28. UNJ (Unified Constant Thread) American Buttress (ABUT) British Buttress (BBUT) D09 D29 D30 D30 D30

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2 Code System 02 Holder Code System Thread Inserts 24 American ACME 02 Insert Code System 25 Stub ACME 03 Technical Information for UNJ (Unified Constant Thread) American Buttress (ABUT) British Buttress (BBUT) 09 Insert with Chip Breaker 29 Metric Buttress (SAGE) / API Thread Inserts 10 Partial Profile API Buttress Casing (BUT) API Round Casing & Tubing (APIR) Extreme Line Casing (EL) Partial Profile ISO Metric American UN Thread Holders 31 Holder 18 With Worth 32 Holder 22 British Standard Pipe Thread 33 Vertical Holder National Pipe Thread National Pipe Thread-ry seal Round IN 405 Thread Milling 34 Technical Information for Thread Milling 24 Trapez IN Thread Milling Inserts 49 Thread Milling Holder Solid Endmills Technical Information for Solid Endmills Solid Endmills THREAING 1

3 Code System Holder Code System E R H 10 (N) - 11 (C) Holder Hand of Insert Name Height of shank Shim Insert Size (mm) Clmaping System Holder E R H 10 (N) - 11 (C) Height of shank Insert Size (mm) E R H 10 (N) - 11 (C) E R H 10 (N) - 11 (C) E : For I : For Hand of Insert E R H 10 (N) - 11 (C) R : Right handed L : Left handed - 8, 10, 12, 16, 20, 25, 32, 40, 50-10, 12, 13, 16, 20, 25, 32, 49, 50, 60 diameter information 11 : d = : d = : d = : d = Name Shim Clmaping System E R H 10 (N) - 11 (C) E R H 10 (N) - 11 (C) E R H 10 (N) - 11 (C) H : Holder No code : Shim required N : No shim required No code : Screw on system C : Clamp on system Insert Code System E R M ISO Insert Hand of Insert Chip Breaker Insert Size (mm) Standard Insert Insert Size (mm) E R M ISO E R M ISO E : thread I : thread Hand of Insert E R M ISO R : Right handed L : Left handed Chip Breaker E R M ISO M : With Chip Breaker Insert Shape < ER / IR > < ERM / IRM > E R M 16 - Full profile mm tpi ISO Partial profile mm tpi A AG G N Q Standard E R M ISO Partial profile 60 Partial Profile 55 ISO Metric (Full Profile) American UN (Full Profile) UN, UNC, UNF, UNEF Whitworth (Full Profile) BSW, BSF, BSP British Standard Pipe thread (Full Profile) BSPT National Pipe Thread (Full Profile) NPT National Pipe Threads-ryseal (Full Profile) NPTF Round IN 405 Trapez IN 103 American ACME Stub ACME UNJ American Buttress British Buttress Metric Buttress-Sagengewinde API API Buttress Casing API Round Casing & Tubing EL-Extreme Line 2

4 Technical Information for Special Features Thread A thread on the external surface of a cylinder screw or cone Thread Major iameter The largest diameter of a screw thread iameter epth of Thread The distance between the crest and root measured from normal to the axis Root The distance between the corresponding points Crest on adjacent thread forms measured parallel to the axis. This distance can be defined in millimeters or by the tpi (threads per inch), which is the reciprocal of the pitch Major Ø Ø Minor Ø Thread Angle Helix Angle On a straight thread, the diameter of an imaginary cylinder, the surface of which cuts the thread forms where the width of the thread and groove are equal Minor iameter The smallest diameter of a screw thread Helix Angle For a straight thread, where the lead of the thread and the pitch diameter circle circumference form a right angled triangle, the helix angle is the angle opposite of the lead Nominal iameter The diameter of which the diameter limits are derived by the application of deviation allowances and tolerances Thread A thread on the internal surface of a cylinder or cone Straight Thread A thread formed on a cylinder Taper Thread A thread formed on a cone Left handed thread Right handed thread The Helix Angle Helix angle Lead(L) X diamiter() A thread which, when viewed axially, winds in a counter clockwise and receding direction. All left handed threads are designated LH A thread which, when viewed axially, winds in a clockwise and receding direction Threads are always right handed unless they are specified For a straight thread, where the lead of the thread and the pitch diameter circle circumference form a right angled triangle, the helix angle is the angle opposite of the lead Machining a Multi-start Thread A thread in which the lead is an integral multiple, greater than one, of the pitch. A multi-start thread permits a more rapid advance without a coarser (larger) thread form First Start Machined Second Start Machined Third Start Machined (Final, 3 Starts Thread) Insert Profile Style Partial Profile Full Profile Full Profile for Fine es Semi Full The V partial profile insert cuts without topping the outer diameter of the thread. The same insert can be used for a range of different thread pitches which have a common thread angle The full profile insert will form a complete thread profile including the crest. For every thread pitch and standard, a separate insert is required The full profile for Fine es will form a complete thread The topping of the outer diameter is generated by second tooth The Semi profile insert will form a complete thread including crest radius but without topping the outer diameter Mainly used for trapezoidal profiles 3

5 Technical Information for Thread Turning Method Thread Inserts & Tool holder Rotation Feed irection Helix Method rawing No. Right Hand Externa EX RH Counter clockwise Towards chuck Regular EX LH Clockwise From chuck Reversed Right Hand IN LH Counter clockwise Towards chuck Regular IN LH Clockwise From chuck Reversed Left Hand EX LH Clockwise Towards chuck Regular EX RH Counter clockwise From chuck Reversed Left Hand IN LH Clockwise Towards chuck Regular IN RH Counter clockwise From chuck Reversed RH Thread LH Thread RH Thread LH Thread Calculating the Helix Angle() Helix Angle iagram The helix angle is calculated by the following formula : - Helix angle( ) P - (mm) N - No. of starts - diameter(mm) Lead = P x N The helix angle can also be found from the diagram below The dimension H1 (cutting edge height) remains constant with every insert / shim combination * For Multi-start threads, use the lead value instead of the pitch 4

6 Technical Information for Thread Infeed Method Radial Infeed Flank Infeed (modified) Alternate Flank Infeed Radial infeed is the simplest and quickest method.the feed is perpendicular to the turning axis, and both flanks of the insert perform the cutting operation. Radial infeed is recommended in 3 cases when the pitch is smaller than 16 tpi for material with short chips for work with hardened material Flank infeed is recommended in the following cases the radial method,the effective cutting edge length is too large, resulting in chatter. for TRAPEZ and ACME. The radial method result in three cutting edges, making chip flow very difficult Use of the alternate flank method is recommended especially in large pitches and for materials with long chils flanks, resulting in equal wear along the cutting edges. Alternate flank infeed requires more complicated programming, and is not available on all lathes Shim Standard Shim ATE ATI Helix angle 1.5 Insert Size Holder d L ER(L)H IR(L)H ER(L)H IR(L)H ER(L)H IR(L)H Ordering Code ATE16 ATI16 ATE22 ATI22 ATE27 ATI27 Standard shim has lead angle 1.5 Application grade Grade Features Available insert type PC5300 For chip breaker type only Stable machining on a wide application due to fine-grained carbide substrate with balanced heat resistance and toughness Excellent wear resistance and oxidation resistance due to AiTN coating film Outstanding performance on high speed machining ERM/IRM (Insert with Chip breaker) A tough sub-micron substrate with TiAlN coating provides good fracture toughness and excellent wear resistance Outstanding performance on STS and hard to cut materials ER/IR (Ground insert) Recommended Cutting Speed as per workpiece(vc) ISO Work piece P Carbon steel, Alloy steel, Cast Steel PC5300 M Stainless steel, Heat resistant steel, Titanium alloy steel PC5300 K Carbon Iron, Aluminum, Cast Steel, Copper PC5300 5

7 Technical Information for Recommended Cutting Speed as per workpiece(vc) Material Hardness Brinell (HB) ISO vc(m/min) P M K Carbon steel Low alloy steel High alloy steel (alloying elements > 5%) Cast steel Stainless steel Ferritic Stainless steel Austenitic Stainless steel Cast ferritic Stainless steel Cast austenitic High temperature alloy Low carbon (C= %) ~190 Medium carbon (C= %) ~175 High carbon (C= %) ~155 Non hardened ~180 Hardened ~140 Hardened ~135 Annealed ~120 Hardened ~100 Low alloy (alloying elements <5%) ~130 High alloy (alloying elements >5%) ~120 Non hardened ~130 Hardened ~95 Austenitic ~120 Super austenitic ~100 Non hardened ~120 Hardened ~110 Austenitic ~110 Hardened ~100 Annealed (Iron based) ~60 Aged (Iron based) ~50 Annealed (Nickel or Cobalt based) ~30 Aged (Nickel or Cobalt based) ~25 Titanium alloy 99.5% pure Titanium 400Rm 140~170 Titanium alloy 1050Rm 50~70 Extra hard steel Hardened & tempered 55HRC 45~60 Malleable cast iron Ferritic (short chips) ~120 Pearlitic (long chips) ~120 Gray cast iron Low tensile strength ~130 High tensile strength ~100 Nodular SG iron Ferritic ~160 Pearlitic ~120 Aluminum alloy Wrought Non aging ~250 Aged ~180 Aluminum alloy Copper and copper alloy Cast ~400 Cast & aged ~280 Cast Si 13-22% ~150 Brass 90 80~120 Bronze and non leaded copper ~120 Calculation of N [RPM] n - Revolution Per Minute [min -1 ] vc - Cutting Speed [m/min] - Workpiece iameter [mm] Number of Passes No. of passes 4~6 4~7 4~8 5~9 6~10 7~12 7~12 8~14 9~16 10~18 11~18 11~19 12~20 12~20 12~20 15~24 One cutting depth is calculated by total cutting depth divided into machining times ex) ER16-1.5ISO, hmin 0.92 : If 10times machining, one cutting depth is 0.092(0.92/10) 6

8 Technical Information for Step by step Thread Turning M Application Thread : Right Hand ISO Metric M40 x 2.5 Material : 4140 (25 HRC) 1 Choose the Thread Turning Method Feed direction towards the chuck was chosen Therefore an external right hand insert and an external right hand holder will be used 2 Choose the Insert Size Chosen insert : ER ISO Insert Size Ordering Code Shim RH RH Tool holder ER16-2.5ISO ATE16 ERH-16 3 Choose the Tool holder Chosen tool holder : ERH Insert Size Ordering code imensions(mm) RH ERH etermine the Helix Angle 5 Choose the Correct Shim Shim Chosen : ATE16 Resultant Helix Angle 1.5 Insert Size Odering Code d L 16 ATE16 From the table, using a pitch of 2.5 mm(10 tpi) and a workpiece 6 Choose the Carbide Grade and Cutting Speed Carbide grade chosen : / Cutting speed : 140m/min Material Low alloy steel HB vc(m/min) Non hardened ~145 Hardened ~140 Hardened ~135 7 etermine the Number of Passes Carbide grade chosen : Cutting speed : 140m/min No.of passes 6 ~10 7~12 7~12 8 ~14 9 ~16 10 ~18 11~18 8 Summary Thread type ISO M40 x 2.5 Right Hand 1. Feed irection Towards the chuck 2. Insert and Grade ER ISO, 3. Tool holder ERH Helix Angle Shim ATE16 6. Cutting Speed 140 m/min 7. Number of Passes 10 7

9 Technical Information for Cutting Condition depending on Material Workpiece Material imension iameter and Length Chipflow Character Coolant Coolant Holder Cross Section Area Material Hardness or Holders Holder Overhang Through Coolant Option Thread Application Profile Shape Shank : Carbide, Alloy, Surface Finish Carbide Implant Grade P M K Machine Machine Stability Max. RPM Insert Profile Shape: and epth Nose Radius Clamping System Stability Chipbreaker Style Trouble Shooting Problem Possible Cause Solution Increased flank wear Cutting speed too hight epth of cut too low/too many passes Unsuitable carbide grade Insufficient cooling Reduce cutting speed/ use coated insert Increase the depth of cut per pass Use a coated carbide grade Increase coolant flow rate cutting edge wear Incorrect helix angle Wrong infeed method Choose the correct shim Use the Alternating Flank Infeed method Extreme plastic deformation Cutting edge breakage epth of cut too large Insufficient cooling Cutting speed too high Unsuitable carbide grade Nose radius too small epth of cut too large Extreme plastic deformation Insufficient cooling Unsuitable ca rbide grade Instability ecrease depth of cut/ increase number of passes Increase coolant flow rate Reduce cutting speed Use a tougher carbide Use an insert with a larger radius, if possible ecrease depth of cut/ increase number of passes. Use a tougher carbide Increase flow rate and/ or correct flow direction Use a tougher carbide Check stability of the system Built-up edge Incorrect cutting speed Unsuitable carbide grade Change the cutting speed Use a coated carbide Thread profile is too shallow The tool is not at the workpiece axis height Insert is not machining the thread crest Worn insert Change tool height Measure the workpiece diameter Change the cutting edge sooner Poor surface quality Too low cutting speed Wrong shim Flank infeed method is not appropriate Increase cutting speed Choose correct shim Use the alternate flank or radial infeed method 8

10 Insert with Chip Breaker insert with chip breaker Features Economical insert Good toughness and high accuracy as ground type inserts Exclusive insert design improves chip control. New grade for general application of various kinds of workpieces Ground insert Insert with a chip breaker C/B Code None None esignation Machining Insert Shape Chip Shape Class Application Features chip evacuation lowers cutting load. of threads. workpieces. improves machinability with good chip control. ensures high precision sharp cutting edge. chip evacuation lowers cutting load. high precision sharp cutting edge. Machining Example Korloy Competitor tools Material ERM16-1.5ISO [] ERM16-1.5ISO [K-Maker] IRM16-2.0ISO [] IRM16-2.0ISO [S-Maker] Workpiece Figure Cutting condition Cutting speed (m/min) Pass Machining Coolant 63 8 Radial infeed 1.5 Wet Radial infeed 2.0 Wet Result KORLOY Comp Tool life/corner Increased tool life with good chip breaking KORLOY Comp Tool life/corner Prevention outbreak damage of insert due to smooth chip control 9

11 Thread Insert Partial profile 60 esignation esignation imensions (mm) ER 11-A60 EL 11-A60 0.5~1.5 48~ A60 16-A60 0.5~1.5 48~ G60 16-G ~3.0 14~ AG60 16-AG60 0.5~3.0 48~ N60 22-N60 3.5~5.0 7~ Q60 27-Q60 5.5~ ~ IR 11-A60 IL 11-A60 0.5~1.5 48~ A60 16-A60 0.5~1.5 48~ G60 16-G ~3.0 14~ AG60 16-AG60 0.5~3.0 48~ N60 22-N60 3.5~5.0 7~ Q60 27-Q60 5.5~ ~ Applicable holders, 31, 32 Partial profile 60 (M Chip Breaker) esignation PC5300 esignation imensions (mm) ERM 16-A60 0.5~1.5 48~ G ~3.0 14~ AG60 0.5~3.0 48~ N60 3.5~5.0 7~ IRM 11-A60 0.5~1.5 48~ A60 0.5~1.5 48~ G ~3.0 14~ AG60 0.5~3.0 48~ N60 3.5~5.0 7~ Applicable holders, 31, 32 esignation PC5300 esignation imensions (mm) ERM 0.5~3.0 48~ IRM 0.5~3.0 48~ Applicable holders, 31, 32

12 Thread Insert Partial profile 55 esignation esignation imensions (mm) ER 11-A55 EL 11-A55 0.5~1.5 48~ A55 16-A55 0.5~1.5 48~ G55 16-G ~3.0 14~ AG55 16-AG55 0.5~3.0 48~ N55 22-N55 3.5~5.0 7~ Q55 27-Q55 5.5~ ~ IR 11-A55 IL 11-A55 0.5~1.5 48~ A55 16-A55 0.5~1.5 48~ G55 16-G ~3.0 14~ AG55 16-AG55 0.5~3.0 48~ N55 22-N55 3.5~5.0 7~ Q55 27-Q55 5.5~ ~ Applicable holders31, 32 Partial profile 55 (M Chip Breaker) esignation PC5300 esignation imensions (mm) ERM 16-A55 0.5~1.5 48~ G ~3.0 14~ AG55 0.5~3.0 48~ N55 3.5~5.0 7~ IRM 11-A55 0.5~1.5 48~ A55 0.5~1.5 48~ G ~3.0 14~ AG55 0.5~3.0 48~ N55 3.5~5.0 7~ Applicable holders31, 32 esignation PC5300 esignation imensions (mm) ERM 0.5~3.0 48~ IRM 0.5~3.0 48~ Applicable holders31, 32 11

13 Thread Insert ISO Metric esignation esignation imensions (mm) ER ISO EL ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO Applicable holders31 12

14 Thread Insert ISO Metric (M Chip Breaker) esignation PC5300 esignation imensions (mm) ERM ISO ISO ISO ISO ISO ISO ISO Applicable holders31 esignation PC5300 esignation imensions (mm) ERM Applicable holders31 13

15 Thread Insert ISO Metric esignation esignation imensions (mm) IR ISO IL ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO Applicable holders32 14

16 Thread Insert ISO Metric (M Chip Breaker) esignation PC5300 esignation imensions (mm) IRM ISO ISO ISO ISO ISO ISO ISO ISO Applicable holders32 esignation PC5300 esignation imensions (mm) IRM Applicable holders32 15

17 Thread Insert esignation esignation imensions (mm) ER EL z Applicable holders31 16

18 Thread Insert esignation esignation imensions (mm) IR IL Applicable holders32 17

19 Thread Insert Whitworth (BSW, BSF, BSP, BSB) esignation esignation imensions (mm) ER 11-72W EL 11-72W W 11-60W W 11-56W W 11-48W W 11-40W W 11-36W W 11-32W W 11-28W W 11-26W W 11-24W W 11-22W W 11-20W W 11-19W W 11-18W W 11-16W W 11-14W W 16-72W W 16-60W W 16-56W W 16-48W W 16-40W W 16-36W W 16-32W W 16-30W W 16-28W W 16-26W W 16-24W W 16-22W W 16-20W W 16-19W W 16-18W W 16-16W W 16-14W W 16-12W W 16-11W W 16-10W W 16-9W W 16-8W W 22-7W W 22-6W W 22-5W W W W 27-4W Applicable holders31 18

20 Thread Insert Whitworth (M Chip Breaker) esignation PC5300 esignation imensions (mm) ERM 16-14W W W Applicable holders31 esignation PC5300 esignation imensions (mm) ERM Applicable holders31 19

21 Thread Insert Whitworth (BSW, BSF, BSP, BSB) esignation esignation imensions (mm) IR 11-72W IL 11-72W W 11-60W W 11-56W W 11-48W W 11-40W W 11-36W W 11-32W W 11-28W W 11-26W W 11-24W W 11-22W W 11-20W W 11-19W W 11-18W W 11-16W W 11-14W W 11-12W W 16-72W W 16-60W W 16-56W W 16-48W W 16-40W W 16-36W W 16-32W W 16-30W W 16-28W W 16-26W W 16-24W W 16-22W W 16-20W W 16-19W W 16-18W W 16-16W W 16-14W W 16-12W W 16-11W W 16-10W W 16-9W W 16-8W W 22-7W W 22-6W W 22-5W W W W 27-4W Applicable holders32 20

22 Thread Insert Whitworth (M Chip Breaker) esignation PC5300 esignation imensions (mm) IRM 16-14W W Applicable holders32 esignation PC5300 esignation imensions (mm) IRM Applicable holders32 21

23 Thread Insert British Standard Pipe Thread (BSPT) esignation esignation imensions (mm) ER 11-28BSPT EL 11-28BSPT BSPT 11-19BSPT BSPT 11-14BSPT BSPT 16-28BSPT BSPT 16-19BSPT BSPT 16-14BSPT BSPT 16-11BSPT IR 11-28BSPT IL 11-28BSPT BSPT 11-19BSPT BSPT 11-14BSPT BSPT 16-28BSPT BSPT 16-19BSPT BSPT 16-14BSPT BSPT 16-11BSPT Applicable holders31, 32 National Pipe Thread (NPT) esignation esignation imensions (mm) ER 11-27NPT EL 11-27NPT NPT 11-18NPT NPT 11-14NPT NPT 16-27NPT NPT 16-18NPT NPT 16-14NPT NPT NPT NPT 16-8NPT IR 11-27NPT IL 11-27NPT NPT 11-18NPT NPT 11-14NPT NPT 16-27NPT NPT 16-18NPT NPT 16-14NPT NPT NPT NPT 16-8NPT Applicable holders31, 32 22

24 Thread Insert National Pipe Threads-ryseal (NPTF) esignation esignation imensions (mm) ER 11-27NPTF EL 11-27NPT NPTF 11-18NPT NPTF 11-14NPT NPTF 16-27NPT NPTF 16-18NPT NPTF 16-14NPT NPTF NPT NPTF 16-8NPT IR 11-27NPTF IL 11-27NPT NPTF 11-18NPT NPTF 11-14NPT NPTF 16-27NPT NPTF 16-18NPT NPTF 16-14NPT NPTF NPT NPTF 16-8NPT Applicable holders31, 32 Round IN 405 esignation esignation imensions (mm) ER 16-10R EL 16-10R R 16-8R R 16-6R R 22-6R R 22-4R R 27-4R IR 16-10R IL 16-10R R 16-8R R 16-6R R 22-6R R 22-4R R 27-4R Applicable holders31, 32 23

25 Thread Insert Trapez IN 103 (TR) esignation esignation imensions (mm) ER TR EL TR TR TR TR TR TR TR TR TR TR TR TR TR IR TR IL TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR Applicable holders31, 32 American ACME (ACME) esignation esignation imensions (mm) ER 11-16ACME EL 11-16ACME ACME 16-16ACME ACME 16-14ACME ACME 16-12ACME ACME 16-10ACME ACME 16-8ACME ACME 16-6ACME ACME 22-6ACME ACME 22-5ACME ACME 27-4ACME IR 11-16ACME IL 11-16ACME ACME 16-16ACME ACME 16-14ACME ACME 16-12ACME ACME 16-10ACME ACME 16-8ACME ACME 16-6ACME ACME 22-6ACME ACME 22-5ACME ACME 27-4ACME Applicable holders31, 32 24

26 Thread Insert Stub ACME (STACME) esignation esignation imensions (mm) ER 11-16STACME EL 11-16STACME STACME 16-16STACME STACME 16-14STACME STACME 16-12STACME STACME 16-10STACME STACME 16-8STACME STACME 16-6STACME STACME 22-6STACME STACME 22-5STACME STACME 27-4STACME STACME 27-3STACME IR 11-16STACME IL 11-16STACME STACME 16-16STACME STACME 16-14STACME STACME 16-12STACME STACME 16-10STACME STACME 16-8STACME STACME 16-6STACME STACME 22-6STACME STACME 22-5STACME STACME 27-4STACME STACME 27-3STACME Applicable holders31, 32 25

27 Thread Insert esignation esignation imensions (mm) ER EL Applicable holders31 26

28 Thread Insert esignation esignation imensions (mm) IR IL Applicable holders32 27

29 Thread Insert esignation esignation imensions (mm) ER EL IR IL Applicable holders31, 32 esignation esignation imensions (mm) ER EL IR IL Applicable holders31, 32 28

30 Thread Insert Metric Buttress (SAGE) esignation esignation imensions (mm) ER SAGE EL SAGE SAGE SAGE SAGE SAGE SAGE SAGE IR SAGE IL SAGE SAGE SAGE SAGE SAGE 4.0 5/ Applicable holders31, 32 esignation esignation imensions (mm) ER 22-4API382 EL 22-4API API API API API API API API API API API API API API API API API API API API API IR 22-4API382 IL 22-4API API API API API API API API API API API API API API API API API API API API API Applicable holders31, 32 29

31 Thread Insert esignation esignation imensions (mm) ER EL IR IL =arctg(ipf/24) Applicable holders31, 32 API Round Casing & Tubing (APIR) esignation esignation imensions (mm) ER 16-10APIR EL 16-10APIR APIR 16-8APIR IR 16-10APIR IL 16-10APIR APIR 16-8APIR Applicable holders31, 32 Extreme Line Casing (EL) esignation esignation imensions (mm) ER 22-6EL15 EL 22-6EL EL EL IR 22-6EL15 IL 22-6EL EL EL =arctg(ipf/24) Applicable holders31, 32 30

32 Holder (Screw on system) Righthand drawing (mm) esignation Stock Inscribed circle Insert Screw Shim Screw Screw RH Screw LH Wrench ER(L)H 08N N ST11N TW08P 12N N ST16N TW10P ST16 STA16 ATE16 ATI22 TW10P ST22 STA22 ATE22 ATI22 TW20P ST27 STA27 ATE27 ATI27 TW25L Applicable holders10~13, 16, 18, 19, 22, 23~26 (Clamp on system) Righthand drawing (mm) esignation Stock Inscribed circle Insert Screw Shim Screw Screw RH Screw LH Wrench ER(L)H-C 20-16C TW10P 25-16C STA16 CTH16 ATE16 ATI16 TW15P 32-16C C C STA22 CTH22 ATE22 ATI22 TW20P 40-22C C C STA27 CTH27 ATE27 ATI27 TW25L 40-27C C Applicable holders10~13, 16, 18, 19, 22, 23~26 31

33 Holder (Screw on system) Ø Minimum diameter for machining Righthand drawing (mm) esignation Stock Inscribed circle Insert Screw Shim Screw Screw RH Screw LH Wrench IR(L)H 10N N ST11N TW08P 13N N N ST16N TW10P 16N ST16 STA16 ATI16 ATE16 TW10P N ST22N TW20P ST22 STA22 ATI22 ATE22 TW20P ST27 STA27 ATI27 ATE27 TW25L Applicable holders10, 11, 14, 15, 17, 20~25, 27~30 (Clamp on system) Ø Minimum diameter for machining Righthand drawing (mm) esignation Stock Inscribed circle Insert Screw Shim Screw Screw RH Screw LH Wrench 32 IR(L)H 20-16C C TW10P 25-16C STA16 CTH16 ATI16 ATE16 TW15P 32-16C C C C C STA22 CTH22 ATI22 ATE22 TW20P 40-22C C C C STA27 CTH27 ATI27 ATE27 TW25L 60-27C Applicable holders10, 11, 14, 15, 17, 20~25, 27~30

34 VETR Righthand drawing (mm) esignation Stock Inserts Clamp Clamp Screw Screw Wrench VTH 2020R R R VETR CS6R1 HA0617 FTKA03510 TW15P, HW30L Coated Cermet imensions esignation PC130 CN20 ST10P (mm) VETR F 0.8~ F 1.5~ d:9.525 t :

35 Technical Information for Thread Milling Thread Milling Holders code system TM S R L Insert Style Holder Style Hand Shank Shank ia. Cutting edge Length Insert Style Hand Shank ia. TM S R L TM S R L TM S R L Thread Milling Holder R : Right Hand L : Left Hand 25 : 25.0 Holders Style Shank Cutting edge Length TM S R L TM S R L TM S R L S : Shank None : Standard L : Long T : Taper 10 : : : : : : 38.5 Thread Milling Inserts code system TM 2 I ISO Insert Style Cutting Edge of Insert Cutting edge Length Standard Insert Style Cutting edge Length Standard TM 2 I ISO TM 2 I ISO TM 2 I ISO Thread Milling Holder 10 : : 11 ISO Metric Cutting Edge TM 2 I 16 None : 1 cutting edge 2 : 2 cutting edge ISO 16 : : : : 38.5 American UN(UNC, UNF, UNEF) UNJ Whit Worth (BSW, BSF, BSP, BSB) National Pipe Thread (NPT) of Insert TM 2 I I : E : EI : & ISO TM 2 I ISO National Pipe Thread (NPTF) British Standard Pipe Thread (BSPT) 34

36 Technical Information for Thread Milling Thread Milling Small diameter type Standard Tool holder : TMSR Insert : TM L=10.4mm For small bore diameters down to 9.5mm Tool holder : TMSR Insert : TM2 For standard length threads Long Tapered Tool holder : TMSR Insert : TM2 For long or remote threads Tool holder : TMSR Insert : TM2(BSPT, NPT, NPTF) For standard length threads Thread milling methods threading Right handed Thread Conventional Milling Left handed Thread own Milling Right handed Thread own Milling Left handed Thread Conventional Milling threading Right handed Thread own Milling Left handed Thread Conventional Milling Right handed Thread Conventional Milling Left handed Thread own Milling 35

37 Technical Information for Thread Milling Tooling recommendation* for given INTERNAL thread specification ISO (mm) Nominal ia. (mm) Holder * Holder with smaller or equal cutting diameters (2) can also be used Insert -Tool holder overhang -Tool cutting dia.* Min.Thread epth (Profile depth) TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSRL TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSRL TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSRT TM2I16-2.0ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSRL TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO TMSR TM2I ISO

38 Technical Information for Thread Milling Tooling recommendation* for given INTERNAL thread specification (tpi) 32 Nominal ia. (inch) Holder * Holder with smaller or equal cutting diameters (2) can also be used Insert -Tool holder overhang -Tool cutting dia.* 7/16-1/2 TMSR TMI 10-32UN /16-11/16 TMSR TM2I 11-32UN /4-13/16 TMSR TM2I 16-32UN /8-15/16 TMSR TM2I 16-32UN TMSR TM2I 16-32UN /16-1/2 TMSR TMI 10-28UN Min.Thread epth (Profile depth) 9/16-3/4 TMSR TM2I 11-28UN /16-7/8 TMSR TM2I 16-28UN /16 TMSR TM2I 16-28UN /8 TMSRL TM2I 16-28UN /16-11/16 TMSR TM2I 11-24UN /2-9/16 TMSR TMI 10-20UN /8-13/16 TMSR TM2I 11-20UN /8 TMSR TM2I 16-20UN /16-1 TMSR TM2I 16-20UN /16-1 1/8 TMSRL TM2I 16-20UN /8-1 5/8 TMSR TM2I 27-20UN / /16 TMSR TM2I 27-20UN /8 TMSR TM2I 11-18UN /16-1 3/16 TMSRL TM2I 16-18UN /16-1 5/8 TMSR TM2I 27-18UN /16 TMSR TM2I 27-18UN /16-13/16 TMSR TM2I 11-16UN /8-15/16 TMSR TM2I 16-16UN TMSR TM2I 16-16UN /16-1 3/16 TMSRL TM2I 16-16UN /16-1 5/8 TMSR TM2I 27-16UN /16-1 7/8 TMSR TM2I 27-16UN /8 TMSR TM2I 11-14UN /8 TMSRT TM2I 16-12UN /16 TMSR TM2I 16-12UN TMSR TM2I 22-12UN /16 TMSR TM2I 16-12UN /8-1 1/4 TMSRL TM2I 16-12UN /2-1 11/16 TMSR TM2I 27-12UN /4-1 15/16 TMSR TM2I 27-12UN / /16 TMSR TM2I 27-8UN /8 TMSR TM2I 27-8UN /8 TMSR TM2I 27-6UN /4 TMSR TM2I 27-6UN /8-2 1/2 TMSR TM2I 38-6UN /4 TMSR TM2I UN /2 TMSR TM2I 38-4UN

39 Technical Information for Thread Milling Tooling recommendation* for given INTERNAL thread specification W (tpi) Nominal ia. (inch) Holder * Holder with smaller or equal cutting diameters (2) can also be used Insert -Tool holder overhang -Tool cutting dia.* Min.Thread epth (Profile depth) 24 9/16-11/16 TMSR TM2I 11-24UNJ /2 TMSR TMI 10-20UNJ /4-13/16 TMSR TM2I 11-20UNJ /8 TMSR TM2I 16-20UNJ /16-1 TMSR TM2I 16-20UNJ /8 TMSR TM2I 11-18UNJ /16-1 3/16 TMSRL TM2I 16-18UNJ /16-13/16 TMSR TM2I 11-16UNJ /8-15/16 TMSR TM2I 16-16UNJ TMSR TM2I 16-16UNJ /16-1 3/16 TMSRL TM2I 16-16UNJ /16-1 5/8 TMSR TM2I 27-16UNJ /16-1 7/8 TMSR TM2I 27-16UNJ /8 TMSR TM2I 11-14UNJ (tpi) /8 TMSRT TM2I 16-12UNJ /16-1 TMSR TM2I 16-12UNJ /16 TMSR TM2I 16-12UNJ /8-1 1/4 TMSRL TM2I 16-12UNJ /2-1 11/16 TMSR TM2I 27-12UNJ /4-1 15/16 TMSR TM2I 27-12UNJ Nominal ia. (inch) Holder Insert -Tool holder overhang -Tool cutting dia.* 1/2-9/16 TMSR TMEI 10-26W /8-3/4 TMSR TM2EI W /16-7/8 TMSR TM2EI 16-26W /16-1 TMSR TM2EI 16-26W /16-1 1/8 TMSRL TM2EI 16-26W /16 TMSR TM2EI 10-20W /8-13/16 TMSR TM2EI 11-20W /8-15/16 TMSR TM2EI 16-20W TMSR TM2EI 16-20W /16-1 3/16 TMSRL TM2EI 16-20W /16 TMSR TM2EI 16-16W /8-15/16 TMSR TM2EI 16-16W /16 TMSR TM2EI 16-16W /8-1 1/4 TMSRL TM2EI 16-16W /8 TMSR TM2EI 27-16W /4-1.9 TMSR TM2EI 27-16W /2-1 3/4 TMSR TM2EI 27-12W /8 TMSR TM2EI 27-12W Min.Thread epth (Profile depth) 1 7/8-1.9 TMSR TM2EI 27-8W /8 TMSR TM2EI 27-8W TMSR TM2EI 27-7W /8 TMSR TM2EI 27-6W /4 TMSR TM2EI 38-6W /8-2.6 TMSR TM2EI 27-6W /8-2 3/4 TMSR TM2EI 38-6W TMSR TM2EI 38-5W /2 TMSR TM2EI W

40 Technical Information for Thread Milling Tooling recommendation* for given INTERNAL thread specification BSPT (tpi) Nominal ia. (inch) Holder Insert -Tool holder overhang -Tool cutting dia.* Min.Thread epth (Profile depth) 19 3/8 TMSR TM2EI BSPT /2-3/4 TMSRT TM2EI BSPT /4 TMSRT TM2EI BSPT /2 TMSR TM2EI BSPT TMSRT TM2EI BSPT NPT (tpi) Nominal ia. (inch) Holder Insert -Tool holder overhang -Tool cutting dia.* 1/2 TMSRT TM2EI NPT /4 TMSRT TM2EI NPT TMSRT TM2EI NPT /4 TMSR TM2EI NPT /2-2 TMSRT TM2EI NPT /2 TMSRT TM2EI 27-8 NPT TMSR TM2EI 38-8 NPT Min.Thread epth (Profile depth) NPTF (tpi) Nominal ia. (inch) Holder Insert -Tool holder overhang -Tool cutting dia.* 1/2 TMSRT TM2EI NPTF /4 TMSRT TM2EI NPTF TMSRT TM2EI NPTF /2 TMSR TM2EI NPTF TMSRT TM2EI NPTF /2 TMSRT TM2EI 27-8 NPTF TMSR TM2EI 38-8 NPTF Min.Thread epth (Profile depth) * Holder with smaller or equal cutting diameters (2) can also be used 39

41 Technical Information for Thread Milling Minimum Bore iameters for Thread milling Holder esignation diameter Minimum diameter for machining TMSR TMSR TMSR TMSR TMSRL TMSRT TMSR TMSR TMSR TMSRT TMSR TMSRW TMSRL TMSRL TMSR TMSRL TMSR TMSR TMSRL TMSRT TMSR TMSRL In order to perform a thread milling operation, a milling machine with three-axis control capability of helical interpolation is required. Helical interpolation is a CNC function producing tool movement along a helical path. This helical motion combines circular movement in one plane with a simulataneous linear motion in a plane perpendicular to the first. For example, the path from point A to point B(Fig,A) on the envelope of the cylinder combines a circular movemint in the xy plane with a linear dispalcement in the z direction On most CNC systems this function can be execyted in two different ways: GO2 : Heilcal interpolation in a colckwise direction GO3 : Helical interpolation in a counter-clockwise direction Fig. A Fig. B The thread milling operation (Fig. B) consists of circular rotation of fhe tool around its own axis togerther with an orbiting motion along the bore or workpiece circumference. uring one such orbit, the tool will shift vertically one pitch length. These movements combined with the insert geometry create the required thread form. There are three acceptable ways of approaching the workpiece with the tool to initiate production of the thread: 1. Tangential Arc Approach 2. Radial Approach 3. Tangential Line Approach 40

42 Technical Information for Thread Milling Tangential Arc Approach With this method, the tool enters and exits the workpiece smoothly. No marks are left on the workpiece and there is no vibration, even with harder materials. Although it requires slightly more complex programming than the radial approach (see below), this is the method recommended for machining the highest quality threads Thread Thread 1-2 : rapid approach 2-3 : tool entry along tangential arc, with simultaneous feed along z-axis 3-4 : helical movement during one full orbit (360 ) 4-5 : tool exit along tangential arc, with continuing feed along z-axis 5-6 : rapid return Radial Approach This is the simplest method. There are two characteristics worth nothing about the radial approach: A. a small vertical mark may be lift at the entry (and exit) point. This is of no significance to the thread itself B. when using this method with very hard materials, there may be a tendency of the tool to vibrate as it approaches the full cutting depth Note: Radial feed during entry to the full profile depth should only be 1/3 of the subsequent circular feed! Thread Thread 1-2 : radial entry 2-3 : helical movement during one full orbit (360 ) 3-4 : radial exit Tangential Line Approach This method is very simple, and has all of the advantages of the tangential arc method. However, it is applicable only with external threads Thread 1-2 : radial entry with simultaneous feed along z axis 2-3 : helical movement during one full orbit (360 ) 3-4 : radial exit 41

43 Technical Information for Thread Milling Preparing for the Thread Milling Operation n - Rotational Velocity [R.P.M] vc - Cutting Speed [m/min] 2 - Tool holder Cutting ia. [mm] F1 - Real Feed rate at the Cutting edges [mm/min] z - No. of Cutting Edges fn - Feed per Rooth per Rotation [mm/rev] Calculation of Feed Rates at the Tool Center Line On most CNC machines, the feed rate required for programming is that of the center-line of the tool. When dealing with linear tool movement, the feed rate at the cutting edge and the center line are identical, but with circular tool movement this is not the case The equations define the relationship between feed rates at the cutting edge and at the tool center line Thread Thread Grades and Applications Grade Application PC9570T PC9070T First Choice for steel and cast iron A tough sub-micron substrate with TiCN coating Provides good fracture toughness and excellent wear resistance General grade Enhance wear Resisfomce with new-coating technology Multi layer film Superior performance for stainless steel and HSS Trouble shooting Problem Possible Solution Increased insert flank wear Cutting speed too high Chip is too thin Insufficient coolant Reduce cutting speed/use coated insert Increase feed rate Increase coolant flow rate Chipping of cutting edge Chip is too thick Vibration Redyce feed rate / Use the tangential arc method Increase RPM Check stability Material Built-up on the cutting edge Chatter / Incorrect cutting speed Unsuitable carbide grade Feed rate is too high Profile is too deep Thread length is too long Change cutting speed Use a coated carbide grade Reduce the feed. Execute two passes, each with increased cutting depth/ Execute two passes, each cutting only half the thread length Execute two passes, each cutting only half the thread length Insyfficient thread accuracy Tool deflection Reduce feed rate / Execute a zero cut 42

44 Technical Information for Thread Milling Recommended cutting condition P M K Unalloyed steel Low alloy steel High alloy steel Cast steel Stainless steel Feritic Stainless steel Austenitic Stainless steel Cast feritic Stainless steel Cast austenitic High eimperature alloys Titanium alloys Workpiece Hardness Brinell HB PC9570T vc(m/min) Grade PC9070M Indexable Insert Feed fz(mm/t) Solid Endmill Low carbon(c %) ~ ~ ~ ~ 0.15 Medium carbon(c= %) ~ ~ ~ ~ 0.1 High carbon (C= %) ~ ~ ~ ~ 0.08 Non hardened ~ ~ ~ ~ 0.1 Hardened ~ ~ ~ ~ 0.07 Hardened ~ ~ ~ ~ 0.03 Annealed ~ ~ ~ ~ 0.05 Hardened ~ ~ ~ ~ 0.03 Low alloy (alloying elements<5%) ~ ~ ~ ~ 0.1 High alloy(alloying elements>5%) ~ ~ ~ ~ 0.03 Non hardened ~ ~ ~ ~ 0.1 Hardened ~ ~ ~ ~ 0.05 Austentic ~ ~ ~ ~ 0.1 Super austenitic ~ ~ ~ ~ 0.1 Non hardened ~ ~ ~ ~ 0.1 Hardened ~ ~ ~ ~ 0.05 Austenitic ~ ~ ~ ~ 0.1 Hardened ~ ~ ~ ~ 0.05 Annealed (Iron based) ~ ~ ~ ~ 0.1 Aged (Iron based) ~ ~ ~ ~ 0.03 Annealed(Nickel or Cobalt based) ~ ~ ~ ~ 0.03 Aged (Nickel or Cobalt based) ~ ~ ~ ~ 0.03 Pure 99.5 Ti 400Rm 70 ~ ~ ~ ~ Rm 20 ~ ~ ~ ~ 0.05 Extra hard steel Hardened & tempered 55HRC 20 ~ ~ ~ ~ 0.01 Malleable cast iron Grey cast iron Nodular SG iron Aluminum alloys Wrought Aluminum alloys Copper and copper alloys Ferritic (short chips) ~ ~ ~ ~ 0.03 Pearlitic (long chips) ~ ~ ~ ~ 0.05 Low tensile strength ~ ~ ~ ~ 0.1 High tensile strength ~ ~ ~ ~ 0.05 Feritic ~ ~ ~ ~ 0.1 Pearlitic ~ ~ ~ ~ 0.05 Non aging ~ ~ ~ ~ 0.25 Aged ~ ~ ~ ~ 0.2 Cast ~ ~ ~ ~ 0.2 Cast & aged ~ ~ ~ ~ 0.15 Cast Si 13-22% ~ ~ ~ ~ 0.2 Brass ~ ~ ~ ~ 0.25 Bronze and mom leaded copper ~ ~ ~ ~ 0.2 Recommendation At tool entry, set the Feed f [mm/tooth] to 70% lower than the threading Feed Example Feed: 0.3[mm/t] Tool entry Feed: 0.09[mm/t] 43

45 Thread Milling Inserts ISO Metric / Insert Size esignation d (mm) PC9570T PC9570T B B 38.5 Applicable holders TMI ISO ISO ISO ISO ISO TM2I ISO TM2E ISO ISO ISO ISO ISO ISO ISO ISO TM2I ISO TM2E ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO TM2E ISO TM2I ISO ISO ISO ISO ISO ISO ISO ISO ISO TM2E ISO TM2I ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO TM2E ISO TM2I ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO All inserts except TMI10 code have 2 cutting edges efined by : R262 (IN 13) Tolerance class : 6g/6H Tooth Tool holder TMSR - 10 TMSR - 11 TMSR - 16 TMSR - 22 TMSR - 27 TMSR - 38 (mm) 44

46 Thread Milling Inserts / Insert Size esignation d (tpi) PC9570T PC9570T B Applicable holders TMI TM2I TM2E TM2I TM2E TM2E TM2I TM2E TM2I TM2E TM2I All inserts except TMI10 code have 2 cutting edges efined by : ANSI B Tolerance class : Class 2A/2B Tooth Tool holder TMSR - 10 TMSR - 11 TMSR - 16 TMSR - 22 TMSR - 27 TMSR - 38 (mm) 45

47 Thread Milling Inserts / efined by : MIL-S-8879C Tolerance class : 3A/3B (mm) Insert Size esignation d (tpi) Tooth Tool holder 24 - TMI TMSR TM2E TM2I TMSR TM2E TM2I TMSR TM2E TM2I TMSR Applicable holders49 All inserts except TMI10 code have 2 cutting edges 46

48 Thread Milling Inserts Whithworth (BSW, BSF, BSP, BSB) / Insert Size esignation d (tpi) B B 38.5 Applicable holders49 28 TMEI 10-28W W W W W TM2EI 11-28W W W W W W TM2EI 16-26W W W W W W W W W TM2EI 22-24W W W W W W W W TM2EI 27-16W W W W W W W W W TM2EI 38-11W W W W W - - All inserts except TMI10 code have 2 cutting edges BSW efined by : B.S.84:1956, IN 259, ISO228/1:1982 BSP efind by : B.S.2779:1956 Tolerance class : BSW-Medium class A, BSP-Medium class Tooth Tool holder TMSR - 10 TMSR - 11 TMSR - 16 TMSR - 22 TMSR - 27 TMSR - 38 (mm) 47

49 Thread Milling Inserts NPT / Insert Size esignation Tool holder Tooth d (tpi) + RH LH 18 TM2E 16-18NPT * TM2EI 16-14NPT TMSRT - 16 TMSLT NPT B TM2EI 22-14NPT TMSRT - 22 TMSLT B TM2EI NPT NPT TM2EI NPT NPT efined by : USAS B2.1:1968 Tolerance class : Standard NPT TMSR - 27 TMSL - 27 TMSR - 38 TMSL - 38 (mm) Applicable holders49 * TM2E16-18NPT is for external threading NPTF / Insert Size esignation Tool holder Tooth d (tpi) + RH LH B B TM2EI 16-14NPTF NPTF TM2EI 22-14NPTF NPTF TM2EI NPTF NPTF TM2EI NPTF NPTF efined by : ANSI Tolerance class : Standard NPTF TMSRT - 16 TMSLT - 16 TMSRT - 22 TMSLT - 22 TMSR - 27 TMSL - 27 TMSR - 38 TMSL - 38 (mm) Applicable holders49 BSPT / efined by : B.S 21:1985 Tolerance class : Standard BSPT Insert Size esignation Tool holder Tooth d (tpi) + RH LH TM2EI 11-19BSPT TMSR - 10 TMSL TM2EI 16-14BSPT TMSRT - 16 TMSLT BSPT TM2EI 27-11BSPT TMSR - 27 TMSL - 27 Applicable holders49 (mm) 48

50 Thread Milling Holder Standard Insert Size d B esignation Stock TMSR TMSR TMSR TMSR TMSRW TMSR TMSL TMSR TMSR Applicable inserts 44 ~ 48 Screw STM10 STM11 STM1622 STM1622 STM27 STM38 (mm) Wrench TW07P TW08P TW10P TW10P TW25L TW30L Long (mm) Insert Size Screw Wrench esignation Stock d 6.35 TMSRL STM11 TW08P 9.525B TMSRL STM1622 TW10P 9.525B TMSRL STM1622 TW10P TMSRL STM27 TW25L 19.05B TMSRL STM38 TW30L Applicable inserts 44 ~ 48 Tapered Insert Size d B (mm) Screw Wrench esignation Stock TMSRT STM1622 TW10P STMT16 TMSRT STM1622 TW10P TMSRT STM27 TW25L Applicable inserts 44 ~ 48 49

51 Technical Information for Solid Endmills Solid Endmills code system STM 3T L034 - I 0.35 ISO Flute style No. of Flutes Shank ia. Cutting ia. Cutting edge Length of Tool Standard STM 3T L034 - I 0.35 ISO Shank ia. STM 3T L034 - I 0.35 ISO STM 3T L034 - I 0.35 ISO Solid Endmill 03 : 3.0 Flute style STM 3T L034 - I 0.35 ISO Cutting ia. Standard STM 3T L034 - I 0.35 ISO STM 3T L034 - I 0.35 ISO HC : Heli Cool HCR : Heli Radial Cooling HCC : Heli Cool Chamfering HC : Heli Cool C/F & rilling 012 : 1.20 Cutting edge Length STM 3T L034 - I 0.35 ISO ISO Metric American UN Cutting edge Length UNJ : eep L034 : 3.4 Whit Worth (BSW, BSF, BSP, BSB) No. of Flutes STM 3T L034 - I 0.35 ISO 3T : 3 Flutes 2L : 4 Flutes, Left Flutes of Tool STM 3T L034 - I 0.35 ISO I : National Pipe Thread (NPT) National Pipe Thread (NPTF) British Standard Pipe Thread (BSPT) CNC Program Composition TM-INFO composes CNC program for Thread Milling process in a short time Multilingual Window operation 1 Select thread type 2 Select thread standard 3 Select thread type 4 Input thread parameter 5 Select working way 6 Select tool 7 download Pls. visit our web-site to download. 50

52 Solid Endmills ISO Metric Helical Flutes with Thru-Hole Coolant efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M3 0.5 M3.5~M STMHC 04024L04-I0.50ISO M L06-I0.70ISO M L07-I0.80ISO M6 1.0 M8~M L09-I1.00ISO M L13-I1.25ISO M M12~M L15-I1.50ISO M L18-I1.75ISO M M17~M L21-I2.00ISO M M17~M L25-I2.00ISO Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M3 0.5 M3.5~M STMHC 04024L06-I0.50ISO M L08-I0.50ISO M L10-I0.50ISO M L08-I0.70ISO M L12-I0.75ISO M L10-I0.80ISO M6 1.0 M8~M L12-I1.00ISO M L16-I1.00ISO M L20-I1.00ISO M L24-I1.00ISO M L16-I1.25ISO M L20-I1.25ISO M M12~M L20-I1.50ISO M L24-I1.50ISO M L29-I1.50ISO M L32-I1.50ISO M L25-I1.75ISO M M17~M L29-I2.00ISO M M17~M L33-I2.00ISO M L36-I2.50ISO M L41-I2.50ISO M L49-I3.00ISO * Bore iameter applies to smallest thread ia 51

53 Solid Endmills Helical Flutes with Thru-Hole Coolant efined by : ANSI B Tolerance class : 2B Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.10~24 24 STMHC No.10~ Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.10~32 32 STMHC No.10~ No.12~ * Bore iameter applies to smallest thread ia 52

54 Solid Endmills Whitworth Helical Flutes with Thru-Hole Coolant / efined by : B.S.84 : 1956, IN 259, ISO228/1 : 1982 Tolerance class : Medium class A Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) / 26 STMHC 06050L13-EI26BSF L16-EI22BSF L13-EI20BSW L19-EI20BSF L16-EI18BSW L23-EI18BSF L19-EI16BSW L26-EI16BSF L29-EI16BSF L22-EI14BSW L31-EI14BSF L35-EI14BSF L26-EI12BSW L28-EI12BSW L39-EI12BSF L33-EI11BSW L35-EI11BSW BSPT Helical Flutes with Thru-Hole Coolant / efined by : B.S.21 : 1985 Tolerance class : Standard BSPT Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) 28 STMHC 06059L10-EI28BSPT L10-EI28BSPT L15-EI19BSPT L15-EI19BSPT L22-EI14BSPT L28-EI11BSPT * Bore iameter applies to smallest thread ia 53

55 Solid Endmills NPT Helical Flutes with Thru-Hole Coolant / efined by : USAS B2.1:1968 Tolerance class : Standard NPT Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) 27 STMHC 06059L09-EI27NPT L09-EI27NPT L14-EI18NPT L14-EI18NPT L19-EI14NPT , L23-EI11.5NPT , 37.7, 44.0, L33-EI8NPT , 82.1 NPTF Helical Flutes with Thru-Hole Coolant / efined by : ANSI Tolerance class : Standard NPTF Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) 27 STMHC 06059L09-EI27NPTF L09-EI27NPTF L14-EI18NPTF L14-EI18NPTF L19-EI14NPTF , L23-EI11.5NPTF , 37.7, 43.7, L33-EI8NPTF , 82.1 * Bore iameter applies to smallest thread ia 54

56 Solid Endmills ISO Metric Helical Flutes with Radial Cooling efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M6 1.0 M8~M STMHCR 06048L12-I1.00ISO M L20-I1.00ISO M L24-I1.00ISO M L16-I1.25ISO M M12~M L20-I1.50ISO M L24-I1.50ISO M L29-I1.50ISO M L32-I1.50ISO M L25-I1.75ISO ISO Metric Helical Flutes with Thru-Hole Coolant - Thru & Chamfer efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M6 1.0 M8~M STMHCC 08048L12-I1.00ISO M L20-I1.00ISO M L24-I1.00ISO M L16-I1.25ISO M M12~M L20-I1.50ISO M L24-I1.50ISO M L29-I1.50ISO M L32-I1.50ISO M L25-I1.75ISO * Bore iameter applies to smallest thread ia 55

57 Solid Endmills ISO Metric rill, Chamfer & Thread with Thru-Hole Coolant efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth M Coarse (mm) M STMHC- IM6 1.0ISO M IM8 1.25ISO M IM10 1.5ISO M IM ISO Thread esignation imensions (mm) No.of Flute Tooth M Coarse (mm) M STMHC-IM6 1.0ISO M IM8 1.25ISO M IM10 1.5ISO

58 Solid Endmills ISO Metric eep efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M STM3T03012L034-I0.35ISO M L042-I0.4ISO M L046-I0.45ISO M L052-I0.45ISO M3 0.5 M3.5~M L062-I0.5ISO M L073-I0.6ISO M L083-I0.7ISO M L104-I0.8ISO M6 1.0 M8~M L125-I1.0ISO M L166-I1.25ISO M M12~M L208-I1.50ISO M L250-I1.75ISO Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M STM3T03012L050-I0.35ISO M L062-I0.4ISO M L077-I0.45ISO M3 0.5 M3.5~M L092-I0.5ISO M L123-I0.7ISO M L154-I0.8ISO M6 1.0 M8~M L185-I1.0ISO M L246-I1.25ISO * Bore iameter applies to smallest thread ia 57

59 Solid Endmills eep efined by : ANSI B Tolerance class : 2B Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.1~72 72 STM3T No.1~64 No.2~ No.2~56 No.3~ No.3~48 No.4~ No.4, No.5~40 No.6~ No.5~40 No.6~ No.8~ No.6, No.8~32 No.10~ No.8~32 No.10~ No.10~ Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.1~72 72 STM3T No.4, No.5~40 No.6~ No.5~40 No.6~ No.6, No.8~32 No.10~ No.8~32 No.10~ * Bore iameter applies to smallest thread ia 58

60 Solid Endmills ISO Metric eep for Hard Materials(~HRC62) efined by : R262 (IN 13) Tolerance class : 6H Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M STM2L 06015L042-I0.4ISO M L046-I0.45ISO M L052-I0.45ISO M3 0.5 M3.5~M L062-I0.5ISO M L073-I0.6ISO M L083-I0.7ISO M L104-I0.8ISO M6 1.0 M8~M L125-I1.0ISO M L166-I1.25ISO M M12~M L208-I1.50ISO M L250-I1.75ISO Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. M Coarse M Fine (mm) M STM2L 06015L062-I0.4ISO M L077-I0.45ISO M3 0.5 M3.5~M L092-I0.5ISO M L123-I0.7ISO M L154-I0.8ISO M6 1.0 M8~M L185-I1.0ISO M L246-I1.25ISO * Bore iameter applies to smallest thread ia 59

61 Solid Endmills eep for Hard Materials(~HRC62) efined by : ANSI B Tolerance class : 2B Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.2~56 No.3~56 56 STM2L No.3~48 No.4~ No.6~ No.5~40 No.6~ No.8~ No.10~ No.8~32 No.10~ No.10~ Thread esignation imensions (mm) No.of Flute Tooth *Bore ia. (tpi) No.4~40, No.5~40 No.6~40 40 STM2L No.5~40 No.6~ No.6~32, No.8~32 No.10~ No.8~32 No.10~ * Bore iameter applies to smallest thread ia 60

62 61

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