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Socket Head Countersunk Screw UNC 1/4 x 3/8 inch in Zinc Plated Steel - 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 UNC Socket Head Countersunk Screws ASME B18.3-2012 in BZP image
technical drawing of UNC Socket Head Countersunk Screws ASME B18.3-2012
Technical Summary
d nominal diameter 1/4
tpi threads per inch 20
dk head diameter 0.477
k head height 0.161
s drive size 5/32
Standard ASME B18.3
all dimensions in inches
Datasheet
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Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Head Countersunk Screw UNC 1/4 x 3/8 inch in Zinc Plated Steel
WF29425
£1.57
Socket Head Countersunk Screw UNC 1/4 x 3/8 inch in Zinc Plated Steel   WF29425
£1.57
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technical drawing of UNC Socket Head Countersunk Screws ASME B18.3-2012
Technical Summary
d nominal diameter 1/4
tpi threads per inch 20
dk head diameter 0.477
k head height 0.161
s drive size 5/32
Standard ASME B18.3
all dimensions in inches
Datasheet
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