Home / UNF Bolts, Nuts and Washers / 6-40 inch UNF Socket Head Countersunk Screws ASME B18. 3-2003 in A2 Stainless Steel

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6-40 inch UNF Socket Head Countersunk Screws ASME B18. 3-2003 in A2 Stainless Steel

A countersunk headed screw conforming with ASME/ANSI B18.3, requiring a hex key (otherwise known as an Allen key) to fit. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank.

Image of UNF Socket Head Countersunk Screws ASME B18. 3-2003 in A2 image

technical drawing of UNF Socket Head Countersunk Screws ASME B18. 3-2003

Technical Summary

nominal diameter

6-40

tpi

threads per inch

head diameter

0.307

head height

0.097

recess depth

0.066

drive size

5/64

all dimensions in inches

Datasheet

< View All Sizes

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
Socket Head Countersunk Screw UNF 6-40 x 1/4 inch in A2 Stainless WF56179			£0.00
Socket Head Countersunk Screw UNF 6-40 x 3/8 inch in A2 Stainless WF69638			£0.00

Socket Head Countersunk Screw UNF 6-40 x 1/4 inch in A2 Stainless
WF56179

Socket Head Countersunk Screw UNF 6-40 x 3/8 inch in A2 Stainless
WF69638

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