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Socket Head Csk Screw UNF 1/4 x 5/8 inch in A4 Stainless - ASME B18.3

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 A4 image
technical drawing of UNF Socket Head Countersunk Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 1/4
tpi threads per inch 28
dk head diameter 0.531
k head height 0.161
t recess depth 0.111
s drive size 5/32
Standard ASME B18.3
Material A4 Stainless Steel
all dimensions in inches
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Head Csk Screw UNF 1/4 x 5/8 inch in A4 Stainless
(WF61567)
£7.15
Socket Head Csk Screw UNF 1/4 x 5/8 inch in A4 Stainless   (WF61567)
£7.15
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technical drawing of UNF Socket Head Countersunk Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 1/4
tpi threads per inch 28
dk head diameter 0.531
k head height 0.161
t recess depth 0.111
s drive size 5/32
Standard ASME B18.3
Material A4 Stainless Steel
all dimensions in inches
datasheet