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Hex Bolt Part Thread UNF 5/16 x 4 inch in BZP Grade 5 Steel - ASME B18.2.1 / SAE J429

The most common type of fastener, a hex head bolt is designed to be tightened with a standard spanner or ratchet and socket. Popularly used in all assemblies, a standard hex bolt is a staple across the world. Manufactured to ASME B18. 2.1, and includes an unthreaded 'shoulder' or portion of the shank. A hex drive permits a greater torque load to be applied to the joint over most other drive types.
Image of UNF Hex Head Bolts ASME B18. 2.1 in BZP-G5 image
technical drawing of UNF Hex Head Bolts ASME B18. 2.1
Technical Summary
d nominal diameter 5/16
tpi threads per inch 24
s max. (inch) drive size 0.500
k max. (inch) head height 0.235
b nom. (inch) nominal thread length 0.875
Standard ASME B18.2.1,ASTM F593-(CW)
Material Bright Zinc Plated (BZP) USA grade 5 high tensile steel
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Hex Bolt Part Thread UNF 5/16 x 4 inch in BZP Grade 5 Steel
(WF27919)
£3.41
Hex Bolt Part Thread UNF 5/16 x 4 inch in BZP Grade 5 Steel   (WF27919)
£3.41
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technical drawing of UNF Hex Head Bolts ASME B18. 2.1
Technical Summary
d nominal diameter 5/16
tpi threads per inch 24
s max. (inch) drive size 0.500
k max. (inch) head height 0.235
b nom. (inch) nominal thread length 0.875
Standard ASME B18.2.1,ASTM F593-(CW)
Material Bright Zinc Plated (BZP) USA grade 5 high tensile steel
all dimensions in millimetres (mm)
datasheet