Home / UNC Bolts, Nuts and Washers / 1/4 x 1-3/4 UNC Hex Bolt Part Thread in A4 Stainless - ASME B18.2.1 / ASTM F593

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1/4 x 1-3/4 UNC Hex Bolt Part Thread in A4 Stainless - ASME B18.2.1 / ASTM F593

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 section of the shaft. A hex drive permits a greater torque load to be applied to the joint over most other drive types.

Image of UNC Hex Head Bolts ASME B18.2.1 in A4 image

technical drawing of UNC Hex Head Bolts ASME B18.2.1

Technical Summary

nominal diameter

1/4

tpi

threads per inch

b nom. (inch)

nominal thread length

0.750

k max. (inch)

head height

0.188

s max. (inch)

drive size

0.438

Standard

ASME B18.2.1 / ASTM F593

all dimensions in inches

Datasheet

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Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
1/4 x 1-3/4 UNC Hex Bolt Part Thread in A4 Stainless WF33839			£3.55

1/4 x 1-3/4 UNC Hex Bolt Part Thread in A4 Stainless WF33839

£3.55

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