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Socket Head Csk Screw UNF 5/16 x 1-1/2 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 UNF Socket Head Countersunk Screws ASME B18. 3-2003 in BZP image
technical drawing of UNF Socket Head Countersunk Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/16
dk head diameter 0.656
k head height 0.198
t recess depth 0.135
s drive size 3/16
Standard ASME B18.3-2003,ASTM F879-02a(CW)
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Head Csk Screw UNF 5/16 x 1-1/2 inch in Zinc Plated Steel
(WF29456)
£6.24
Socket Head Csk Screw UNF 5/16 x 1-1/2 inch in Zinc Plated Steel   (WF29456)
£6.24
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technical drawing of UNF Socket Head Countersunk Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/16
dk head diameter 0.656
k head height 0.198
t recess depth 0.135
s drive size 3/16
Standard ASME B18.3-2003,ASTM F879-02a(CW)
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet