Home / UNF Bolts, Nuts and Washers / 5/16 x 4 UNF Hex Bolt Part Thread in A4 Stainless - ASME B18.2.1

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5/16 x 4 UNF Hex Bolt Part Thread in A4 Stainless - ASME B18.2.1

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 A4 image

technical drawing of UNF Hex Head Bolts ASME B18. 2.1

Technical Summary

nominal diameter

5/16

tpi

threads per inch

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

all dimensions in inches

Datasheet

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Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
5/16 x 4 UNF Hex Bolt Part Thread in A4 Stainless WF33910			£6.89

5/16 x 4 UNF Hex Bolt Part Thread in A4 Stainless WF33910

£6.89

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