(Click on the links below for the category contents) YONG. Custom Hex Plain Plug Gages.. Page 29. Custom Cylindrical Plain Ring Gages...

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1 VER: YG1404 Thread Plug Gages - Inch - Taperlock Style Page 2-3 Thread Plug Gages - Inch - Reversible Style. Page 4 Thread Ring Gages - Inch... Page 5-6 Thread Plug Gages - Metric - Reversible Style... Page 10 Custom Trilock Style Plain Plug Gages.... Class XX, X, Y, Z, ZZ Thread Ring Gages - Metric... Page 11 From.76" to 6.01" Thread Gages BSP/G, BSF/BSW /Whits.... Page 17 Pipe / R Gages.... Flexible Hole Location Gages... Page 22 Thread Measuring Wires... Page 18 Thread Gages - BA, Pg.. Page 19 API Gages American Petroleum Institute. Page 20 (Click on the links below for the category contents) Thread Gages Plain Gages Thread Set Plug Gages - Inch... Page 7-8 Custom Taperlock Style Plain Plug Gages..... Page 26 Thread Plug Gages - Metric - Taperlock Style.. Class XX, X, Y, Z, ZZ Page 9 From.105" to 1.510" Thread Set Plug Gages - Metric... Page 12 Custom Progressive Cylindrical Plain Plugs... Class XX, X, Y, Z, ZZ S.T.I. Thread Plug Gages. Page 13 From.105" to 4.51" Tapered Pipe Thread Gages NPT..... Page 14 Tapered Pipe Thread Gages NPTF.. Page 15 Straight Pipe Thread Gages NPSM and NPSF. Page 16 Thread Profile Gages, TP Series. Page 21 Page 23 Tolerance Chart For Plain Cylindrical Gages.. Custom Reversible Style Plain Plug Gages... Class XX, X, Y, Z, ZZ From.005" to 1.010" Custom Hex Plain Plug Gages.. Page 29 Custom Cylindrical Plain Ring Gages.... Class XX, X, Y, Z, ZZ From.0701" to " Custom Master Setting Discs. Cylindrical Taper Gages National Machine Jarno, Brown & Sharp Morse Taper Gages Total Solution for Gauging Yong Gauges is in Gauging business for almost ten years. With this experience, we can offer complete solution for all Gauging needs - Threads as well as for Plain Diameter. Apart from manufacturing gauges as per various International standards, our specialty is in designing solutions to fulfill specific gauging requirments of our customers. Page 24 Page 25 Page 27 Page 28 Page 30 Page 31 Page 32 More information,please visit our website:

2 Thread Plug Gages - Inch - Taperlock Style Manufacturing Range Manufacturing Range - UNC/UNF/UNEF/UN/UNS - Yong Gauge's sales engineering staff is to Standard ANSI/ASME B1.2 to assist you with your gaging questions. - Tolerance Class 2B, Class 3B Material Service Gages Selection&Technical Services Custom Special Gages & Fixtures - Tool Steel 60/62 RC - Our engineers will work with you to assist in - Chrome Plated 70/72 Rc designing and manufacturing special custom gages from concept to completion. Assembly Features - GO Member - Yong Gauge's experienced quality staff will - NOGO Member be glad to do Measuring & Inspecting services - GO/NOGO w/handle Assembly for your gaging products. Customized solutions How To Order - Custom your special gages. - Send us your drawings and requirments. Measuring & Inspection Reports Calibration Service F eel free to send your request and detailed description or drawings of gages to us directly, we will provide you the quotation very soon. Examples for Requesting: The calibration services are performed by the thirdparty with ISO Accredited Metrology Facility. 1/ UNF - 2B *** 1/ UN - 3B *** - Nominal size - Threads per inch - Unified series (UNC/UNF/UNEF/UN/UNS ) - Class of fit - *** Description & Modification ( Gage style, LH,RH,special PD, markings,matrial, etc.) Please check our detailed inventory lists on next pages ( page 3 ) for specific standard gages, and send your request to us, we will provide you the quotation very soon. Length Length Handle GO member NOGO member

3 *Note: Thread Plug Gages - Taperlock Style -Unified [ UNC/UNF/UNEF ] -Steel -to ANSI/ASME B1.2 Types not covered GO or NOGO GO/NOGO Gage Length here can be supplied Thread Per Inch - TPI Nominal Class 2B, Class 3B w/handle (inch) based on customer's Frac. Dia. request. UNC UNF UNEF Member ($) Assembly ($) (inch) GO NOGO #0 80 $ $ # # # # # # # # # # / UNC Unified National Coarse. UNF Unified National Fine. UNEF Unified National Extra Fine. 1/ / / / / / UN Unified National Constant. 7/ / / / / UNS Unified National Special. 5/ / / / / / / / / / / / / / / / / / / / /

4 Thread Plug Gages - Inch - Reversible Style Manufacturing Range * How to Order: Please send your Range Assembly Features request to us, we - UNC/UNF/UNEF to ANSI/ASME B1.2 - GO Member will provide you the - Tolerance Class 2B, Class 3B - NOGO Member quotation very soon. - GO/NOGO w/handle Assembly Material Frac. Customized solutions - Tool Steel 60/62 RC - Custom your special gages. - Chrome Plated 70/72 Rc - Send us your specific drawings and requirments. Thread Plug Gages - Reversible Style -Unified [ UNC/UNF/UNEF ] - Left Hand -Steel GO or NOGO GO/NOGO Gage Length Thread Per Inch - TPI Nominal Class 2B,Class 3B w/handle (inch) Dia. UNC UNF UNEF Member ($) Assembly ($) (inch) GO NOGO # # # # # # # # # # # / / / / / / / / / / / / / / / / /

5 Thread Ring Gages - Inch Manufacturing Range Manufacturing Range - UNC/UNF/UNEF/UN/UNS to ANSI/ASME B1.2 - Yong Gauge's sales engineering staff is - to BS 919 Part If requested. to assist you with your gaging questions. - Tolerance Class 2A, Class 3A Material Service Gages Selection&Technical Services Custom Special Gages & Fixtures - Tool Steel 60/62 RC - Our engineers will work with you to assist in - Chrome Plated 70/72 Rc designing and manufacturing special custom gages from concept to completion. Assembly Features - Solid Type & Adjustable Type Customized solutions - Custom your special gages. - Send us your drawings and requirments. Setting Adjustable Thread Ring Gages ASME requires Adjustable Ring Gages be calibrated using Threaded Setting Plugs. The full form section inspects Measuring & Inspection Reports - GO Member - Yong Gauge's experienced quality staff will - NOGO Member Solid Type and sets the correct clearance and forms at the major diameter of the ring gage. The truncated section controls pitch diameter. When the flanks of a ring gage have a step wore in them the ring will feel much looser on the truncated section than on the full form section. This indicates the ring should be repaired or replaced. Adjustable Type be glad to do Measuring & Inspecting services for your gaging products. Calibration Service Please check our detailed inventory lists on next pages ( page 6 ) for specific standard ring gages, and send your request to us, we will provide you the quotation very soon. The calibration services are performed by the thirdparty with ISO Accredited Metrology Facility. ASME B1.2 Adjustable Ring Gage Being Set on Setting Plug How to Order Please send your request and detailed description or drawings of gages to us directly. We will provide you the quotation very so For Example: 1/ UNF - 2A ***(description: Gage style, LH,RH,special PD, markings,matrial, etc.)

6 *Note: Thread Ring Gages - Unified [ UNC/UNF/UNEF ] - to ANSI/ASME B1.2 -Steel 1: Types not covered Price ($) Price ($) Gage Length here can be supplied Thread Per Inch - TPI Nominal Class 2A,Class 3A Class 2A,Class 3A (inch) based on customer's Frac. Dia. UNC UNF UNEF GO Member NOGO Member (inch) request. GO NOGO #0 80 call for price call for price # # # # # # # # # # / /4 32 5/ / / /8 32 7/ / / /2 28 9/ / / / / / / / / /8 20 UNC Unified National Coarse. UNF Unified National Fine. UNEF Unified National Extra Fine. 15/ / / / / / UN Unified National Constant. 1 1/ / / / / / /2 18 UNS Unified National Special.

7 Thread Set Plug Gages - Inch Manufacturing Range Range - UNC/UNF/UNEF/UN/UNS to ANSI/ASME B1.2 - Tolerance Class 2A, Class 3A Material - Tool Steel 60/62 RC Assembly Features - GO Member - NOGO Member Customized solutions How To Order - Custom your special gages. - Send us your drawings and requirments. Thread set plug gages When using a set plug gage to check the ring The ring should always be engaged across the full length of the plug to create consistent wear and retain the back taper condition. Set plugs become out of tolerance with a front taper condition because of the ring being engaged on the front - GO/NOGO w/handle Assembly portion only, many more times than on the back Feel free to send your request and detailed description or drawings of gages to us directly, we will provide you the quotation very soon. Examples for Requesting: 1/ UNF - 2A *** 1/ UN - 3A *** portion. So, contrary to normal logic, the set plug is actually given more life by more use. - Nominal size - Threads per inch - Unified series (UNC/UNF/UNEF/UN/UNS ) - Class of fit - *** Description & Modification ( Gage style, LH,RH,special PD, markings,matrial, etc.) Please heck our detailed inventory lists on next pages ( page 8 ) for specific standard gages, and send your request to us, we will provide you the quotation very soon.

8 Frac. *Note: Thread Set Gages -Unified [ UNC/UNF/UNEF ] - to ANSI/ASME B1.2 -Steel Types not covered GO or NOGO GO/NOGO Gage Length here can be supplied Thread Per Inch - TPI Nominal Class 2A, Class 3A w/handle (inch) based on customer's Dia. request. UNC UNF UNEF Member ($) Assembly ($) (inch) GO NOGO #0 80 Call For Price Call For Price # # # # # # # # # # / / / /4 32 3/ /8 32 7/ / / / / / /8-1 1/4 5/ /8-1 1/4 5/ / / /4 20 7/ / /8-1 1/4 13/ /8-1 1/2 15/ /8-1 1/ / / /8-1 1/2 1 3/ / / / /8-1 5/8 1 5/ /8-1 5/8 1 3/ / / /8-1 5/8 1 1/ /8-1 5/8 1 1/2 18

9 Thread Plug Gages - Metric - Taperlock Style ANSI /ASME B 1.16M - Metric Plugs - Taperlock Style- 6H - Steel METRIC THREADS Norminal GO or NOGO GO/NOGO Pitch Dia. Gage Length (mm) Size Class 6H w/handle Manufacturing Range & Specification (mm) Coarse Fine Member ($) Assembly ($) GO NOGO M call for price call for price *ANSI standard: M Basic Dimensions: ANSI/ASME B1.13M M Gauge Dimensions: ANSI /ASME B 1.16M M *BS standard : M Basic Dimensions: B.S Part I & II M Gauging Practice: B.S 919 Part III M *ISO standard : M Basic Dimensions : ISO 965 Part 1,2,3 M Gauging Practice : ISO M *DIN standard : M Basic Dimensions : DIN M Gauging Practice : DIN M *Indian standard : M Basic Dimensions: IS Part 1,2,3 M Gauging Practice: IS M *JIS standard : M Basic Dimensions: JIS B0205 & JIS B M Gauging Practice: JIS B M M * ANSI & BS standards use unilateral Tolerances M for gauges.these gauges are manufactured only M M M M M M based on specific customer request M Recommended Tolerance classes for Internal Threads (Plug Gauges) Fine Medium Coarse Tolerance position 'G' Tolerance position 'H' S N L S N L (4H) (5H) (6H) [5G] (6G) [7G] (5H) 6H (7H) [7G] [8G] (7H) (8H) * 6H - first choice, (xx) - second choice, [xx] - third choice. * Length of thread engagement : S - short, N - normal, L - long. * ISO METRIC THREAD PROFILE

10 Thread Plug Gages - Metric - Reversible Style ANSI /ASME B 1.16M - Metric Plugs- Reversible Style- 6H - Steel Norminal Size (mm) Coarse Pitch Dia. Fine GO or NOGO Class 6H GO/NOGO w/handle Gage Length (mm) Member Assembly GO NOGO M call for price call for price M M M M M M M M M M M M M M M M M M M Manufacturing Range & Specification *ANSI standard: -Basic Dimensions: ANSI/ASME B1.13M -Gauge Dimensions: ANSI /ASME B 1.16M *BS standard : -Basic Dimensions: B.S Part I & II -Gauging Practice: B.S 919 Part III *ISO standard : -Basic Dimensions : ISO 965 Part 1,2,3 -Gauging Practice : ISO *DIN standard : -Basic Dimensions : DIN Gauging Practice : DIN *Indian standard : -Basic Dimensions: IS Part 1,2,3 -Gauging Practice: IS *JIS standard : -Basic Dimensions: JIS B0205 & JIS B Gauging Practice: JIS B

11 Thread Ring Gages - Metric Adjustable Type Thread Ring Gages - Metric - 6g - Steel -ANSI /ASME B 1.16M METRIC THREADS Norminal Price ($) Price ($) Pitch Dia. Gage Length (mm) Size Class 6g Class 6g Manufacturing Range & Specification (mm) Coarse Fine GO member NOGO member GO NOGO M call for price call for price *ANSI standard: M Basic Dimensions: ANSI/ASME B1.13M M Gauge Dimensions: ANSI /ASME B 1.16M M *BS standard : M Basic Dimensions: B.S Part I & II M Gauging Practice: B.S 919 Part III M *ISO standard : M Basic Dimensions : ISO 965 Part 1,2,3 M Gauging Practice : ISO M *DIN standard : M Basic Dimensions : DIN M Gauging Practice : DIN M *Indian standard : M Basic Dimensions: IS Part 1,2,3 M Gauging Practice: IS M *JIS standard : M Basic Dimensions: JIS B0205 & JIS B M Gauging Practice: JIS B M M * ANSI & BS standards use unilateral Tolerances M for gauges.these gauges are manufactured only M M M M M M based on specific customer request M Solid Type * ISO METRIC THREAD PROFILE

12 Thread Set Plug Gages - Metric Thread Ring Gages - Metric - 6g - Steel - ANSI /ASME B 1.16M Norminal Size (mm) Pitch Dia. Coarse Fine GO member Price ($) Price ($) Class 6g NOGO member GO NOGO M call for price call for price M M M M M M M M M M M M M M M M M M M M M M M M22 Class 6g Gage Length (mm) M M M Thread set plug gages When using a set plug gage to check the ring, The ring should always be engaged across the full length of the plug to create consistent wear and retain the back taper condition. Set plugs become out of tolerance with a front taper condition because of the ring being engaged on the front portion only, many more times than on the back portion. So contrary to normal logic, the set plug is actually given more life by more use.

13 S.T.I. Thread Plug Gages Manufacturing Range Range - Available in 2B and 3B (Unified) Class of Fit. - Available in 5H and 6H (Metric) Class of Fit. - Available for full range of Unified and Metric thread sizes Material - Tool Steel 60/62 RC - Chrome Plated 70/72 Rc - Other material based on request STI (Screw Thread Insert) Plug Gages - Unified - Steel Norminal GO or NOGO GO/NOGO Pitch Dia. Size Class 2B, 3B w/handle Gage Length (mm) (mm) UNC UNF Member Assembly GO NOGO #2 56 call for price call for price 5/16 7/32 # /16 7/32 #4 # /16 5/16 7/32 7/32 # /32 9/32 # /32 9/32 # /2 5/16 # /2 5/16 1/ /2 5/16 5/ /4 3/8 3/ /4 3/8 7/ /8 1/2 1/ /8 1/2 9/ /8 1/2 5/ /8 1/2 3/ /8 Assembly Features - GO Member - NOGO Member - GO/NOGO w/handle Assembly Customized solutions - Custom your specific gages. - Send us your specific drawings and requirments. STI (Screw Thread Insert) gages designed to check the accuracy of the internal thread of an STI tapped hole. Gaging the tapped hole prior to installation of the insert is critical to ensure the accuracy of the finished thread. If the tapped hole gauges correctly the finished thread will also be accurate once the insert is properly installed and seated. It is not necessary to gage the installed insert. Helical Coil ( STI ) Thread Gages include a "GO" and "HI" (NO GO) member. The working Gage "GO" member has a.0002 wear allowance on the pitch diameter. The "GO" member checks the basic pitch diameter, major diameter, minimum and lead. The "HI" member checks the maximum pitch diameter. The minor diameter must be checked separately with a graduated pin set.

14 Tapered Pipe Thread Gages NPT NPT Thread Plug Gages - L1 Basic Type NPT Thread Ring Gages - L1 Basic Type The taper pipe thread plug has a step at the L1 distance from its small end. When turned hand tight into the product s internal pipe thread ( do not force the gage ), the step is required to be flush with the large end of the product thread within a tolerance of plus or minus one turn. The taper pipe thread ring gage has a thickness equal to the L1 length.the ring s large end (marked face) is turned hand tight onto the external pipe thread until it stops ( do not force the gage ). to be flush with the small end of the pipe within a tolerance of plus or minus one turn. NPT L1 Basic Type one step is provided which corresponds to basic size of component. NPT L1 Limit Type Gauge has three steps. These steps corresponds to minimum, basic and maximum size of components. NPT Tapered Pipe Plugs [ANSI/ASME B1.20.1] - L1 Basic Norminal Size Threads Per Inch Basic L1 Length 1/ call for price 1/16 1/ /8 1/ /4 3/ /8 1/ /2 3/ NPT L1 Plugs w/handle / /4 11 1/ /4 1 1/2 11 1/ /2 The small end of the ring gage is required NPT Tapered Pipe Rings [ANSI/ASME B1.20.1]- L1 Basic Norminal Size / / / / / /4 Threads Per Inch call for price Basic L1 Length NPT L1 Rings / / / /

15 Tapered Pipe Thread Gages NPTF NPTF Thread Plug Gages - L1 Basic NPTF Thread Plug Gages - L3 Basic NPTF Thread Plug Gages - Plain 6 Step Screw the L1 plug into the fitting ( hand tighten ). This classifies the thread as to Maximum, Basic, or Minimum. The Steps of the crest check marked and correspond to the following: MN -- Minimum thread with minimum truncation. MNT -- Minimum thread with maximum truncation. B -- Basic thread with minimum truncation. BT -- Basic thread with maximum truncation. MX -- Maximum thread with minimum truncation. MXT -- Maximum thread with maximum truncation. NPTF Tapered Pipe Plugs [ANSI/ASME B1.20.1] Nominal Size&TPI 1/ /8-27 3/8-18 1/2-14 3/ / /2-8 NPTF Rings Plugs Plugs L1/L3 6-Step Rings Rings Rings Basic L1 Basic L3 w/handle w/handle Basic L1 Basic L2 6-Step 1/ /4-11 1/2 1 1/2-11 1/ /2 2 1/2-8 call for price Screw the L3 plug into the fitting ( hand tighten ). The gage must match the classification of the L1 plug within +/- 1/2 turns call for price Insert 6-step Crest Check plug into the fitting. When the L1 plug is at the maximum notch, the 6-step gage must go between MX and MXT notch. When the L1 plug is at the Basic Notch, the 6-Step gage must go between B and BT notch. When the L1 plug is at minimum notch, the 6-Step gage must go between the MN and MNT notch. * NPTF L1&L3 Step Limit Plugs, NPTF L1&L2 Step Limit Rings Priced On Request

16 Straight Pipe Thread Gages NPSM/NPSF Product Description Straight pipe working plug gages are used to check the size of the internal threads. Manufactured to ANSI/ASME B Straight pipe setting plug gages Calibrate and set a straight pipe thread ring. Straight pipe thread ring gages are used to measure Norminal Size & TPI GO 2B Pitch Dia. NOGO 2B GO member NOGO member 1/ call for price call for price 1/ / / / / /4-11 1/ /2-11 1/ Type NPSM NPSF / / Size Available in NPSM, NPSC, NPSL, NPSF and NPSI. Setting plug gages inspect the ring gage for wear. threads on an outside diameter. NPSM Straight Pipe Plugs [ANSI/ASME B1.20.1] Pitch Dia. Manufactured to X tolerance and American Gage Design standard. Available in NPSM, NPSC, NPSL, NPSF and NPSI. Class 2B Class 2B GO 2A NOGO 2A GO member NOGO member 1/ call for price call for price 1/ / / / PTF GO/NOGO w/handle Assembly call for price NPSM Straight Pipe Rings and Set Plugs (ANSI/ASME B1.20.1) / /4-11 1/2 1 1/2-11 1/ / / Applications for Pipe Gages Thread For Gaging NPSL NPSC NPSH ANPT NH Class 2A Class 2A Set Plug GO/NOGO call for price External Product Thread GO/NOGO Thread Rings Mates with NPTF Ext. threads GO/NOGO Thread Rings Mates with NPT Ext. threads GO/NOGO Thread Rings ANPT L1, L2, Plain 6 Step Ring SAE Short L1, and L2 Rings For Gaging Internal Product Thread GO/NOGO Thread Plugs NPTF L1 Plug Gage GO/NOGO Thread Plugs NPT L1 Plug Gage GO/NOGO Thread Plugs ANPT L1, L3, Plain 6 Step Plug SAE Short L1 and L3 Plugs GO/NOGO Thread Plugs NGT NGT L1, L8 and Plain 6 Step NGT L1, L9 and Plain 6 Step *For Rc/R,BSP,API,etc. see next pages. *NPSM - National Pipe Straight Mechanical External and internal *NPSL National Pipe Straight Locknut External and internal *NPSC National Pipe Straight Coupling Internal threads w/handle Assembly GO/NOGO Thread Rings

17 Thread Gages BSP/G, BSF/BSW /Whits Product Description BSP/G Threads - Parallel Thread - General purpose pipe threads, where pressure BSF/BSW /Whits Threads - Inch system - where clearance between male and female threads Size&TPI G1/8 x 28 G1/4 x 19 G3/8 x 19 G1/2 x 14 G5/8 x 14 G3/4 x 14 G7/8 x 14 G1 x 11 G1 1/8 x 11 G1 1/4 x 11 G1 1/2 x 11 G1 3/4 x11 G2 x 11 BSF 9/16 x 16 tight joints are not required on threads. - Class A is standard tolerance. exactly half the Class B tolerance. is to be controlled. - BSW is a coarse thread series from 1/8" to 6" diameter. - BSF is a fine thread series from 3/16" to 3" diameter. BSP/G Series Plug & Ring Gages [ BS EN ISO 228 1&2 :2003 ] GO or NOGO plugs call for price BSW 3/16 x 32 3/16 x 24 1/4 x 26 1/4 x 20 1/8 x 40 GO or NOGO member 5/16 x 18 7/16 x 18 7/16 x 14 member w/handle Assembly GO member NOGO member 1/2 x 16 1/2 x 12 9/16 x 12 GO/NOGO plugs call for price BSF&BSW plug gages GO/NOGO w/handle Assy GO or NOGO member 3/4 x 10 7/8 x 11 7/8 x 9 1 1/4 x 9 1 1/4 x 7 call for price Rings Class A 5/8 x 14 5/8 x 11 3/4 x 12 call for price BSF & BSW PLUG GAGES [ BS 84 & BS 919 ] - Medium Class 5/16 x 22 3/8 x 20 3/8 x 16 1 x 10 1 x 8 1 1/8 x 9 1 1/8 x 7 1 3/8 x 8 1 3/8 x 6 1 1/2 x 8 1 1/2 x 6 call for price BSF&BSW Ring gages call for price GO&NOGO set BSP / G THREAD PROFILE BSF / BSW / WhitWorth THREAD PROFILE

18 Pipe / R Gages Pipe /R Gages are used for testing pipe threads where pressure tight joints are made on the threads to BS 21: 1985, and ISO 7/2:2000 & BS EN Manufacturing Range to ISO 7-2:2000 (E) & BS EN :2005 Diameter (inch) 1/16, 1/8 1/4, 3/8 1/2, 3/4 1, 1 1/4, 1 1/2 2, 2 1/2, 3 4, 5, 6 Manufacturing Range to BS 21 SYSTEM A, SYSTEM B Rc/R Thread Gages [ BS 21 SYSTEM B ] SYSTEM B - Step Limit Size Plug Rc Ring R 1/8 x 28 call for price call for price 1/4 x 19 3/8 x 19 1/2 x 14 3/4 x 14 1 x /4 x /2 x 11 2 x 11 Note: 1) SYSTEM A GAGES PRICED UPON REQUEST 2) PLAIN GAGE PRICED UPON REQUEST More about BS 21 & ISO-7-2:2000 TPI Type of Gages Details of Gages As Per ISO 7/ Plug Gage NO.1 used for checking the Rc & Rp : ( Taper Fullform Threaded ) Pitch & Major Diameter Plug Gage NO.2 used for checking the Rc & Rp : ( Taper Fullform Threaded Pitch & Major Diameter with relief ) & Accommodation Length Ring Gage NO.3 used for checking the Taper 'R' : (Parallel Fullform Threaded) Pitch & Minor Diameters Plain Ring Gage NO.4 used for checking the Taper 'R' : (Taper Plain Ring) Major Diameter & Accommodation Length 'R' Thread Profile BS 21 specifies requirements of pipe threads for joints made pressure tight by the mating of threads,and are taper external, taper internal, parallel external and parallel internal threads.the thread form is based on the Whitworth profile. The taper is 1:16 on diameter, normal to the axis. ISO-7-2:2000 specifies that the external taper product thread is gauged by using a parallel full form threaded ring gage and a tapered plain ring gage respectively. ISO 7/2 are different in design and have different gage manufacture limits than BS21.

19 Thread Gages - BA, Pg B.A. THREAD GAGES BA ( British Association ) Threads are used for fine purpose specially in instruments. Manufacturing Range to BS 93 & BS 919 Part II Tolerance Class: Normal( N ), Close( C ). B.A. No PG 7 20 PG B.A. SCREW THREAD GAGES [ BS.93 ] - Tolerances to BS.919 Part II PG THREAD GAGES PG Threads are based on DIN standard and are used for checking threads of conduit pipe fittings used for electrical wiring. Manufacturing Range to DIN & DIN (2) Specification recommends Threaded GO & Plain NoGo. Pg PLUG & RING GAGES - GERMAN CONDUIT Threaded Size TPI Plug PG 9 18 PG PG GO member GO/NOGO w/handle Assy Plain plug NOGO member PG PG PG 48 Pitch Dia. (inch) GO or NOGO member call for price B.A. Plug Gages call for price PG PG call for price 16 B.A. Ring Gages GO or NOGO member call for price GO/NOGO w/handle Assembly call for price Threaded Ring GO member BS 93 specifies basic information for the British Association thread form, and tabulates diameters for threads from 0BA to 16BA. call for price Plain Ring NOGO member B.A. Thread Profile PG THREAD PROFILE DIN 40430

20 API Gages American Petroleum Institute API Gages are used in Oil Industry for shouldered connections, stem elements & compounds of Rotary drill. Manufacturing Range API SPEC 7/ (PLUG & RING) Identification No. From To TPI TPF NC Connections Extreme Line Casing NC 10 NC /2 NC 23 NC Regular (REG) 1 8 5/ /2,2,3 SPEC 5B (PLUG & RING) Identification No. From To TPI TPF Casing - Round 4 1/ /4 Line Pipe We offer API Thread Gages to Spec 7,Spec 5B, Spec Q1, Spec 11B as well as many other special API gages. Full Hole (FH) 3 1/2 6 5/ ,3 Internal Flush (IF) 2 3/8 5 1/2 4 2 Tubing-Non Upset Tubing-External Upset NC 56 NC 77 1/8 20 Tubing-Integral Joint 2 3/8 4 1/ /2 10 3/ /2 8 3/ /4 2 3/8 4 1/ / /8 10 3/ /4 8 3/4 8 3/4 1 1/ /4 OTHER OIL FIELD RELATED CONNECTIONS (PLUG & RING) Identification No. From To TPI TPF H /8 8 5/8 3 1/2 1 1/4,2,3 Slim Hole 2 3/8 4 2 Extra Hole 2 7/ Wide Open 2 3/8 4 2 AOH 2 3/8 4 1/ /2 PAC 2 3/8 3 1/ /2 Xhole 2 7/8 4 2 Regular (REG)- Thread Plug & Ring Gage taper 1:4 Gauge plane Full Hole (FH) - Thread Plug & Ring Gage Gauge plane Gauge plane Gauge plane taper 1:4 Internal Flush (IF) - Thread Plug & Ring Gage Gauge plane Gauge plane taper 1:6 knurled handle small end taper 1:4 small end taper 1:4 small end taper 1:6

21 Profile Gages, Thread Profile, TP Series TPF/TPI Thread Form 1.5" TPF, 4 TPI V /4" TPF, 8 TPI 8 Round 3/4" TPF, 10 TPI 10 Round 3/4" TPF, 8 TPI 8 V Thread 3/4" TPF, 11 ½ TPI 11 1/2 V Thread 3/4" TPF, 5 TPI API Buttress Casing, Internal, 4 1/2" 13 3/8" 3/4" TPF, 5 TPI API Buttress Casing, External, 4 3/4" 13 3/8" 2" TPF, 4 TPI V 0.038R Connector Type 152 3/8" 3 1/2" P.A.C. Connections API 8 Round Casing, Tube & Drill Type API 10 Round Tubing 8V API Line Pipe American Std. NPR 1" TPF, 5 TPI API Buttress Casing, Internal, 16" 20" 1" TPF, 5 TPI API Buttress Casing, External, 16" 20" 3" TPF, 5 TPI V " TPF, 4 TPI V " TPF, 4 TPI V " TPF, 4 TPI V 0.038R 3" TPF, 4 TPI V 0.038R 1.5" TPF, 6 TPI V " TPF, 4 TPI V " TPF, 3.5 TPI H 90 3" TPF, 3.5 TPI H " TPF, 3 TPI H /2 V API Line Pipe, American Std. NPT 2 3/8" 4 ½" API REG 3 1/2", 4 1/2", API Full Hole 6 5/8" API REG 5 1/2" & 6 5/8" API Full Hole 5 1/2", 7 5/8", & 8 5/8" API REG 4" API Full Hole, 2 7/8" 5" Hughes Xtra Hole 2 3/8" 4 1/2" Hughes Slim Hole 2 3/8" 5 1/2" API INT Flush API Numbered Connectors #23 - #50 API Numbered Connectors #56 - #77 API Numbered Connectors #10, #12, #13, #16 M.T. (Macaroni Tubing) 2 3/8" 4 1/2" American Open Hole 3 1/2" 6 5/8" Hughes H 90 7" 8 5/8" Hughes H /8" 3 1/2" Hughes Slim Line Description The TP Series of Thread Profile Gages are manufactured to tolerances of ±.0002" using EDM technology. These precision gages are ideal for quickly identifying each of the different thread forms named in the API Std. 5B and be used to perform a visual inspection of a thread form for detecting chipped inserts, stretched threads, wide first threads, or rolled over threads. Special profiles are available and quoted upon request.

22 Flexible Hole Location Gages Description Flexible Hole Location Plug Gage inspects the location of a threaded hole in a part, Determines the true centerline to centerline distances of threaded holes. Slotted at 90 increments to insure positive location on the thread flanks regardless of hole size. Center is concentric to the threaded section within.0002 TIR for probe location of CMM s. Precision hand lapped and polished to ensure superior accuracy. Flexible hole location gages are available in unified and metric sizes. Manufactured to the highest end of the ANSI specifications to ensure maximum wearability. Available in steel and chrome. METRIC FLEXIBLE LOCATION GAGES SIZE PRICE SIZE PRICE M1.6 x.35 call for price M15 x 1.0 M2 x 0.4 M16 x 2.0 M2.5 x 0.45 M16 x 1.5 M3 x 0.5 M17 x 1.0 M3.5 x 0.6 M18 x 1.5 M4 x 0.7 M20 x 2.5 M5 x 0.8 M20 x 1.5 M6 x 1.0 M20 x 1.0 M8 x 1.25 M22 x 2.5 M8 x 1.0 M22 x 1.5 M10 x 1.5 M24 x 3.0 M10 x 1.25 M24 x 2.0 M10 x.75 M12 x 1.75 M12 x 1.5 M12 x 1.25 M12 x 1.0 M14 x 2.0 M14 x 1.5 INCH FLEXIBLE LOCATION GAGES SIZE UNC UNF PRICE /4 5/ / / / / / /

23 Thread Measuring Wires Within " of best wire diameter for specified tpi. Standard 2" lengths. Within " of the calibrated size provided on label. Have the same diameter within 00005". Roundness within ". Taper does not exceed ". 60 INCH Threads per inch (n) Nominal Best Wire Diameter G Price set of Pitch mm Thread Measuring Wires Minimum hardness of RC Surface finish lapped, 1 MU AA. Wires meet ASME/ANSI B1.2, B1.16M and ASME B American National Standards 60 METRIC 29 ACME Nominal Best Wire Diameter mm Price Threads per inch (n) /3 Nominal Best Wire Diameter G / / / /2 Three Wire measuring Chart E = Pitch Diameter M = Measurement over wires G = Wire diameter h = Depth of Thread A = Angle of Thread D = Major Diameter K = Minor Diameter s = Lead Angle Price / / / / / / / / / /

24 Tolerance For Plain Cylindrical Gages Size Range (inch) Tolerance Chart For Plain Cylindrical Gages Tolerance In Inches Above To XXX XX X Y Z ZZ held minus. Straightness, taper, and out-of-roundness must be held within 1/2 of the diameter tolerance. Tolerances for Cylindrical Plug Gages used to check the minor diameter of internal threads, and Cylindrical Ring Gages used to check the major diameter of external threads, are specified in the thread standard as Class Z The tolerance of the gage is based on the tolerance of the part it is to inspect. The rule of thumb is to use a maximum of 10% of the part tolerance for the gages. This allows the part manufacturer to use 90% of the tolerance for their manufacturing window, as the gages are made within the part tolerance to assure quality. The 10% is split between the Go and NoGo gages. For example: If the product has a range of diameter, 10% would be.0001, which split becomes (50 millionths). Looking at the tolerance chart you would use class X gages, or better. The tolerances given in this chart are to be applied to the diameter of the gage. Go cylindrical plugs, and NoGo cylindrical rings are held plus; NoGo cylindrical plugs, and Go cylindrical rings are Metric Equivalents --Tolerance For Plain Cylindrical Gages Size Range (mm) Tolerance In mm Above To XX X Y Z ZZ

25 Products Description When one end becomes worn out of tolerance, you can reverse the gage and use the other end. Gages are 2.0 in length. Extra length is available and on request. Handles custom marked and colored. Manufactured to the high end of the ANSI specifications to provide maximum wearability. Reversible plug gages are available in steel, chrome and carbide. Custom Reversible Plain Plug Gages From.005" to 1.010" Class XX, X, Y, Z, ZZ How to Order Order Number Description YA X1 X2 X3 X4 X5 1 Tool Steel X1 - Material 2 Chrome Plated Tool Steel 3 Tungsten Carbide X2 - Range 0.005" to.015" [.11mm to.38mm ] " to.0300" [.381mm to.76mm ] " to.0750" [.761mm to 1.91mm ] " to.1800" [ 1.911mm to 4.57mm ] " to.2810" [ 4.571mm to 7.14mm ] " to.4060" [ 7.141mm to 10.31mm ] " to.5100" [ mm to 12.95mm ] " to.6350" [ mm to 16.13mm ] " to.7600" [ mm to 19.30mm ] " to " [ mm to 25.65mm ] X3 - Tolerance (see Page 24 - tolerance chart) 1 Class XX 2 Class X 3 Class Y 4 Class Z 5 Class ZZ X4 - Direction of Tolerance 1 Go [1 member, (Plus) unilateral tolerance] 2 NoGo [1 member, (Minus) unilateral tolerance] 3 Master [1 member, bilateral tolerance] 4 Go/NoGo [2 members, (1) Plus, (1) Minus tolerance] 1 Member Only X5 - Package 2 Single-End Assembly [1 member, single-end handle, green cap] 3 Single-End Assembly [1 member, single-end handle, red cap] 4 Double-End Assembly [ 2 members, double-end handle, green & red cap ] Specify size of gage members : Configure part number and add size, extra length,and Handle marking, Any requirments of gage members, Please send your specific requirments or drawings to us, we will provide you the quotation very soon. For Example: YA GO.2480" /NOGO.2520", marking: xxxxx..., etc.

26 Product Description Taperlock plug gages are used to gage large Dia. More larger not listed here based on request. Taperlock style gages can be quickly changed by popping out the gage member and quickly press fitting a new member into the handle. Gaging surface is hardened to Rc Use Reversible gages for sizes below.105" Use Trilock style gages for sizes above " Custom Taperlock Plain Plug Gages From.105" to 1.510" Class XX, X, Y, Z 1 Tool Steel " to.1500" " to.2300" " to.3650" " to.5100" " to.8250" " to " How to Order YB X1 X2 X3 X4 X5 X1 -Material 2 Chrome Plated Tool Steel 1 Class XX 2 Class X 3 Class Y 4 Class Z X2 -Range " to 1.510" [ 28.84mm to 38.35mm ] X3 -Tolerance(see Page 24 - tolerance chart) X4 -Direction of Tolerance 1 Go [1 member, (Plus) unilateral tolerance] [ 2.67mm to 3.81mm ] [ 3.82mm to 5.84mm ] [ 5.85mm to 9.27mm ] [ 9.28mm to 12.95mm ] [ 12.96mm to 20.95mm ] [ 20.96mm to 28.83mm ] 2 NoGo [1 member, (Minus) unilateral tolerance] 3 Go/NoGo [2 member, (1) Plus, (1) Minus tolerance] 4 Go Assembly [1 member, Plus unilateral tolerance] 5 NoGo Assembly [1 member, Minus unilateral tolerance] X5 -Package 1 Member only 2 Gage Assembly [with Handle] Specify size of gage members : Configure part number and add size, and Handle marking, Any requirments of gage members, Please send your specific requirments or drawings to us, we will provide you the quotation very soon. For Example: YB Go.998"/NoGo 1.000", marking: xxxxx..., etc. Blank Specs Gage Length (B) GO NOGO 1 3/8" 9.5mm 7/32" 5.6mm X2 - Range /32" 3/4" 1" 1 1/4" 10.3mm 19.1mm 25.4mm 31.8mm 38.1mm 7 1 1/2" 1 5/8" 41.3mm 9/32" 5/16" 3/8" 1/2" 5/8" 3/4" 7.1mm 7.1mm 9.5mm 12.7mm 15.9mm 19.1mm

27 Product Description Trilock gages are used to inspect large diameters. Like reversible gages, when one end wears out, the gage end can be turned around. This design increases the gaging life of the gage. Gage members are securely attached to the trilock handle with mounting bolts. Gaging surface is hardened to Rc Available in steel, chrome and carbide. Larger diameters quoted on request. Custom Trilock Plain Plug Gages From.76" to 6.01" Class XX, X, Y, Z " to.9470" [19.30mm to 24.05mm] " to " [24.06mm to 28.83mm] " to " [28.84mm to 38.35mm] " to " [38.36mm to 51.05mm] " to " [51.06mm to 63.75mm] " to " [63.76mm to 76.45mm] " to " [76.46mm to 89.15mm] " to " [89.16mm to mm] " to " [101.86mm to mm] " to " [114.56mm to mm] " to " [127.26mm to mm] " to " [139.96mm to mm] X3 -Tolerance(see Page 24 - tolerance chart) 1 Class XX 2 Class X 3 Class Y 4 Class Z 1 Go [1 member, (Plus) unilateral tolerance] 2 NoGo [1 member, (Minus) unilateral tolerance] 3 Go/NoGo [2 member, (1) Plus, (1) Minus tolerance] 4 Go Assembly [1 member, Plus unilateral tolerance] 5 NoGo Assembly [1 member, Minus unilateral tolerance] 1 Member only How to Order YC X1 X2 X3 X4 X1 -Material 1 Tool Steel 2 Chrome Plated Tool Steel X2 -Range X4 -Direction of Tolerance X5 -Package 2 Gage Assembly [Gage(s) with Handle] Specify size of gage members : Configure part number and add size, and Handle marking, Any requirments of gage members, Please send your specific requirments or drawings to us, we will provide you the quotation very soon. For Example: YC Go "/NoGo ", marking: xxxxx..., etc. X5 Blank Specs Gage Length (B) GO NOGO X2 - Range ~ /4" 1 3/8" 1 1/2" 1 7/8" 2" 2 1/8" 31.8mm 3/4" 19.1mm 34.9mm 3/4" 19.1mm 38.1mm 3/4" 19.1mm 47.6mm 7/8" 22.2mm 50.8mm 7/8" 22.2mm 54.0mm 1" 25.4mm

28 Description Progressive plug gages are best choice for checking parts quickly. Both the GO and NOGO diameters stepped on a single gage member, so parts can inspected in one operation. Members are attached to either a Taperlock handle or Trilock handle with mounting bolts. Trilock Style over " Dia. Available in steel, chrome. Class XX, X, Y, Z or ZZ. Custom Progressive Cylindrical Plain Plugs From.105" to 4.51" Class XX, X, Y, Z How to Order YD X1 X2 X3 X4 X5 X1 -Material 1 Tool Steel 2 Chrome Plated Tool Steel X2 -Range " to.1501" [2.67mm to 3.81mm] " to.2300" [3.82mm to 5.84mm] " to.3650" [5.85mm to 9.27mm] " to.5100" [9.28mm to 12.95mm] " to.8250" [12.96mm to 20.95mm] " to " [20.96mm to 28.83mm] " to " [28.84mm to 38.35mm] " to " [38.36mm to 51.05mm] " to " [51.06mm to 63.75mm] " to " [63.76mm to 76.45mm] " to " [76.46mm to 89.15mm] " to " [89.16mm to mm] " to " [101.86mm to mm] Taperlock Style For 1 ~ 7, Trilock Style For 8 ~ 13 X3 -Tolerance(see Page 24 - tolerance chart) 1 Class XX 2 Class X 3 Class Y 4 Class Z 5 Class ZZ 1 Go/NoGo [1 member] X4 -Direction of Tolerance X5 -Package 1 Member only 2 Single-End Assembly [1 member, with Handle] Specify size of gage members : Configure part number and add size, and Handle marking, Any requirments of gage members, Please send your specific requirments or drawings to us, we will provide you the quotation very soon. For Example: YD Go "/NoGo , marking: xxxxx..., etc.

29 Custom Hex Plain Plug Gages GO/NOGO HEX GAGES - INCH TO ANSI/ASME B107.17M size size size size Price Price Price (inch) (inch) (mm) (mm) Price 1/8 1 3/ /32 1 7/ /16 1 1/ /64 1 9/ /32 1 5/ / / /4 1 3/ / / /16 1 7/ / / / /2 2 1/ /16 2 1/ /32 2 3/ /8 2 1/ /32 2 5/ /16 2 3/ /4 2 7/ /32 2 1/ /16 2 9/ /8 2 5/ / / / / / /8 2 7/ / / / / size (inch) GO/NOGO HEX GAGES - INCH TO ANSI B18.3 Price size (inch) Price / / /16 1/16 3/8 5/64 7/16 3/32 1/2 7/64 9/16 1/8 5/8 9/64 3/4 5/32 7/8 3/ GO/NOGO HEX GAGES - METRIC TO ANSI/ASME B107.17M GONOGO HEX GAGES - METRIC TO ANSI B18.3 size (mm) Price size (mm) Price Hex gages are perfect for inspecting machine head fasteners. Go/No-Go Hex plug gages are manufactured to ANSI / ASME B or ANSI B18.3. Special diameter hex gages are also available. Go, NoGo Class Z tolerances. Tool Steel: 60/62 Rc (Cold Stabilized). Certificate of Accuracy included. Please send your specific requirments or drawings to us, we will send you the quotations very soon.

30 Description Cylindrical Plain Ring Gauges are used for attribute Inspection of Plain External Diameter measurement. All ring gages regardless of size are lapped and polished. Non-gaging areas are black oxide coated and ring faces are surface ground. Carbide Ring Gages from.0590'' to '' based on request. Manufactured to Standard based on request. ASME/ANSI B47.1 and ASME/ANSI B89.1 ISO 286 Part 1 & 2,DIN 7164 Custom Cylindrical Plain Ring Gages From.0701" to " Class XX, X, Y, Z How to Order YE X1 X2 X3 X4 X5 X1 -Material 1 Tool Steel, 60/62 Rc (cold stabilized) 2 Chrome Plated Tool Steel X2 -Range " to.1500" [1.79mm to 3.81mm] " to.2300" [3.82mm to 5.84mm] " to.3650" [5.85mm to 9.27mm] " to.5100" [9.28mm to 12.95mm] " to.8250" [12.96mm to 20.95mm] " to " [20.96mm to 28.83mm] " to " [28.84mm to 38.35mm] " to " [38.36mm to 51.05mm] " to " [51.06mm to 63.75mm] " to " [63.76mm to 76.45mm] " to " [76.46mm to 89.15mm] " to " [89.16mm to mm] " to " [101.86mm to mm] " to " [120.91mm to mm] " to " [139.86mm to mm] " to " [159.01mm to mm] " to " [178.06mm to mm] " to " [197.11mm to mm] " to " [216.16mm to mm] " to " [235.21mm to mm] " to " [254.26mm to mm] " to " [273.31mm to mm] " to " [292.36mm to mm] X3 -Tolerance(see Page 24 - tolerance chart) 1 Class XX 2 Class X 3 Class Y 4 Class Z 5 Class ZZ X4 -Direction of Tolerance 1 Go [1 member, (Plus) unilateral tolerance] 2 NoGo [1 member, (Minus) unilateral tolerance] 3 Master [1 member, bilateral tolerance] X5 -Package 1 Member only Specify size of gage members : Configure part number and add size, Any requirments of gage members, Please send your specific requirments or drawings to us, we will provide you the quotation very soon. For Example: YE "...plus extra descriptions etc.

31 Description MASTER SETTING DISCS used to calibrate and set comparators, snap gages, and other precision measuring instruments. They are furnished with insulating grips to prevent heat distortion. Setting Discs are designed to satisfy quality control traceability requirements and are available in 3 styles, unless otherwise specified. Styles 1 and 3 - Bilateral tolerance +/ 1/2 Style 2 - Unilateral tolerance GO minus tolerance, NOGO + Plus tolerance Conform to ANSI B47.1 Custom Master Setting Discs From.150" to 8.010" Class XX, X, Y How to Order YF X1 X2 X3 X4 X5 X1 -Material 1 Tool Steel 2 Chrome Plated Tool Steel X2 -Range " to.2300".2301" to.3650".3651" to.5100".5101" to.8250".8251" to " " to " " to " " to " " to " " to " " to " " to " " to " " to " " to " " to " " to " [3.81mm to 5.84mm] [5.85mm to 9.27mm] [9.28mm to 12.95mm] [12.96mm to 20.95mm] [20.96mm to 28.83mm] [28.84mm to 38.35mm] [38.36mm to 51.05mm] [51.06mm to 63.75mm] [63.76mm to 76.45mm] [76.46mm to 89.15mm] [89.16mm to mm] [101.86mm to mm] [114.56mm to mm] [127.76mm to mm] [139.96mm to mm] [152.66mm to mm] [165.36mm to mm] " to " [178.06mm to mm] " to " [190.76mm to mm] 1 Class XX 2 Class X 3 Class Y X3 -Tolerance X4 -Direction of Tolerance 1 Go [1 member, (Plus) unilateral tolerance] 2 NoGo [1 member, (Minus) unilateral tolerance] 3 Master [1 member, bi-lateral tolerance] X5 -Package 1 Style I Master Disc with End Grips 2 Stlye II Master Disc with End Grips 3 Style III Master Disc with End Grips Size (Specify size of gage members) Configure part number and add size of gage member. Example: YF ""...plus extra descriptions or specific drawings,etc.

32 Yong Gauge manufactures a complete line of standard taper ring and tape plug gages; Morse, Jarno, Brown & Sharpe, Jacobs, National Machine and any other special taper gage made to your blueprint specifications. Yong Gauge also manufactures tapered arbors to your print or our engineering team will gladly assist in developing drawings for your application based on common gaging practices. Yong Gauge can manufacture special tapers per customer design. Any requirments not covered here, please contact us. Taper # NATIONAL MACHINE TAPERS Large End Small End Length Plug Price Each Ring Taper # Cylindrical Taper Gages National Machine Jarno,Brown & Sharp Morse Taper Plugs Large End Small End MORSE TAPERS Length TPF /2 1 1/ Taper # JARNO TAPERS - W/O TANG.6000" TPF Large End Small End Length call for price Plug Price Each Ring Plug W/TANG Ring W/TANG 2 1/ / / / / / / Taper # Large End BROWN & SHARPE TAPERS Small End / Length TPF Plug W/TANG / Ring W/TANG 1 1/ / / / / / / / / / / / / call for price call for price call for price 9 1/ /