4-40 inch UNC Hex Head Setscrews ASME B18.2.1 in A2 Stainless Steel

Commonly referred to as a setscrew and longer versions are referred to in the United States as a tap bolt. A standard spanner or ratchet is typically used to fit this product. Used for decades on all types of assembly throughout the world. The hex drive allows a higher torque to be applied. Produced to ASME B18.2.1.

Image of UNC Hex Head Setscrews ASME B18.2.1 in A2 image

technical drawing of UNC Hex Head Setscrews ASME B18.2.1

Technical Summary

nominal diameter

4-40

tpi

threads per inch

head height

0.060

drive size

0.188

Standard

ASME B18.2.1 / ASTM F593-(CW)

all dimensions in inches

Datasheet

< View All Sizes

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
4-40 x 1/4 UNC Hex Bolt Full Thread in A2 Stainless WF16923			£0.00
4-40 x 5/16 UNC Hex Bolt Full Thread in A2 Stainless WF16924			£0.00
4-40 x 3/8 UNC Hex Bolt Full Thread in A2 Stainless WF16925			£0.00
4-40 x 1/2 UNC Hex Bolt Full Thread in A2 Stainless WF16926			£0.00
4-40 x 5/8 UNC Hex Bolt Full Thread in A2 Stainless WF16927			£0.00
4-40 x 3/4 UNC Hex Bolt Full Thread in A2 Stainless WF16928			£0.00
4-40 x 1 UNC Hex Bolt Full Thread in A2 Stainless WF16929			£0.00

4-40 x 1/4 UNC Hex Bolt Full Thread in A2 Stainless
WF16923

4-40 x 5/16 UNC Hex Bolt Full Thread in A2 Stainless
WF16924

4-40 x 3/8 UNC Hex Bolt Full Thread in A2 Stainless
WF16925

4-40 x 1/2 UNC Hex Bolt Full Thread in A2 Stainless
WF16926

4-40 x 5/8 UNC Hex Bolt Full Thread in A2 Stainless
WF16927

4-40 x 3/4 UNC Hex Bolt Full Thread in A2 Stainless
WF16928

4-40 x 1 UNC Hex Bolt Full Thread in A2 Stainless
WF16929

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