Home / UNC Bolts, Nuts and Washers / 1/2 inch UNC Socket Head Countersunk Screws ASME B18.3-2012 in A4 Stainless Steel

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1/2 inch UNC Socket Head Countersunk Screws ASME B18.3-2012 in A4 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 UNC Socket Head Countersunk Screws ASME B18.3-2012 in A4 image

technical drawing of UNC Socket Head Countersunk Screws ASME B18.3-2012

Technical Summary

nominal diameter

1/2

tpi

threads per inch

head diameter

0.869

head height

0.251

drive size

5/16

Standard

ASME B18.3

all dimensions in inches

Datasheet

< View All Sizes

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
Socket Head Countersunk Screw UNC 1/2 x 3/4 inch in A4 Stainless WF23584			£0.00
Socket Head Csk Screw UNC 1/2 x 1 inch in A4 Stainless WF84015			£0.00
Socket Head Countersunk Screw UNC 1/2 x 1-1/2 inch in A4 Stainless WF32750			£0.00
Socket Head Countersunk Screw UNC 1/2 x 2-1/2 inch in A4 Stainless WF89275			£0.00
Socket Head Countersunk Screw UNC 1/2 x 4 inch in A4 Stainless WF25280			£0.00

Socket Head Countersunk Screw UNC 1/2 x 3/4 inch in A4 Stainless
WF23584

Socket Head Csk Screw UNC 1/2 x 1 inch in A4 Stainless
WF84015

Socket Head Countersunk Screw UNC 1/2 x 1-1/2 inch in A4 Stainless
WF32750

Socket Head Countersunk Screw UNC 1/2 x 2-1/2 inch in A4 Stainless
WF89275

Socket Head Countersunk Screw UNC 1/2 x 4 inch in A4 Stainless
WF25280

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