Cooper & Turner Ltd STRUCTURAL

Transcription

1 Cooper & Turner Ltd STRUCTURAL

2 Page 1 of 6 Dimensions of Fully Threaded Bolts/Setscrews CHARACTERISTIC STANDARD Thread d M12 M16 M20 M24 M30 M36 p (pitch) a max c max min da max dw min e min k nom max min r min s max min Dimensions are in millimetres and apply prior to coating. The table shows the popular dimensions, other diameters can be supplied provided the quantity required is sufficient to warrant manufacture. In addition, standard thread bolts in accordance with BS EN ISO 4014 can be supplied provided the quantity required is sufficient to warrant manufacture. IMPORTANT NOTE It is a requirement of BS EN that The bolt, nut and washer assembly is supplied by one manufacturer who is responsible for the function of the assembly. All the components are identified with the manufacturer s mark. The coating of the assembly is under the control of the manufacturer. Fully Threaded Bolts / Setscrews General Requirements BS EN & 2 Threads ISO 965 / BS3643 tolerance class 6g Materials & Manufacture BS EN ISO Property Class 8.8 Mechanical Properties - Setscrews BS EN ISO Property Class 8.8 Mechanical Properties - Assemblies BS EN Dimensions & Tolerances BS EN ISO 4017 Finish/C oatings Self Colour/Black Zinc Electroplated BS EN ISO 4042 BS EN ISO as processed Hot Dip Galvanized BS EN ISO Product Marking BS EN ISO & BS EN Tolerance on nominal length for Fully Threaded Over Nominal length Bolts/Setscrews (mm) Up to and including CERTIFICATION Tolerance (mm) ± ± ± ± ±2.3 Property Class 8.8 Fully Threaded Bolts/Setscrews are supplied with a Test Certificate.

3 Page 2 of 6 HEAD MARKING Fully Threaded Bolts / Setscrews The actual arrangement and sizes of the markings may vary from that shown

4 Page 3 of 6 Nominal Diameter & Thread Pitch Proof Load, Ultimate Tensile Load & Hardness of Bolts Stress Area Proof Load min Property Class 8.8 Tensile Load min Hardness Rockwell HRC mm² kn kn min max Bolt and Nut combinations supplied Bolt Property Class & Finish supplied with Nut Property Class & Finish Self Colour 8 - Self Colour Zinc Electroplated 8 - Zinc Electroplated Hot Dip Galvanized 10 - Hot Dip Galvanized M12 x 1.75 M16 x 2 M20 x 2.5 M24 x 3 M30 x 3.5 M36 x All dimensions are in millimetres

5 Page 4 of 6 DIMENSIONS OF NUTS Thread d M12 M16 M20 M24 M30 M36 P (pitch) max da min dw min e min max m min max.=nom s min Dimensions are in millimetres and apply prior to coating CHARACTERISTIC STANDARD General Requirements BS EN ISO 4032 Threads Self Colour / Zinc Electroplated Hot Dip Galvanized ISO 965 / BS 3643 tolerance class 6H ISO tolerance class 6AZ Materials & Manufacture BS EN Property Classes 8 & 10 Mechanical Properties Self Colour / Zinc Electroplated BS EN Property Class 8 Hot Dip Galvanized BS EN Property Class 10 Dimensions & Tolerances BS EN ISO 4032 Self Colour / Black BS EN ISO as processed Finish / Zinc Electroplated BS EN ISO 4042 Coating Hot Dip Galvanized BS EN ISO Product Marking BS EN & BS EN

6 Page 5 of 6 PROPERTY CLASS 8 PROPERTY CLASS 10 PROOF LOAD OF NUTS Nominal Diameter & Thread Pitch Stress Area Property Class 8 Standard 6H fit¹ Proof Load min Property Class 10 over tapped 6AZ fit² mm² kn kn M12 x M16 x M20 x M24 x M30 x M36 x ¹ Nut finish self colour or zinc electroplated ² Nut finish hot dip galvanized

7 Page 6 of 6 DIMENSIONS OF BS EN 7091 WASHERS Nominal size of bolt or screw Inside diameter d1 Outside diameter d2 Thickness s max min max min max min M M M CHARACTERISTIC STANDARD General Requirements BS EN ISO 7091 Materials & Manufacture BS EN ISO 7091 Dimensions & Tolerances BS EN ISO 7091 Self Colour / Black BS EN ISO 7091 as processed Finish / Coatings Zinc Electroplated BS EN ISO 4042 Hot Dip Galvanized BS EN ISO M M M Dimensions are in millimetres and apply prior to coating