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Allen Key Screws Button Head UNF 1/4 x 5/8 inch in Zinc Plated Steel - ASME B18.3

A popular and attractive socket head screw, typically used where aesthetics are important, or where a lower profile domed finish is required. The hex drive is generally smaller than other hex driven ranges and thus the ultimate tightening torque is reduced. Manufactured to ASME/ANSI B18.3, and always fully threaded.
Image of UNF Socket Head Button Screws ASME B18. 3-2003 in BZP image
technical drawing of UNF Socket Head Button Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 1/4
tpi threads per inch 28
dk head diameter 0.437
k head height 0.132
t recess depth 0.087
s drive size 5/32
Standard ASME B18.3
Material Bright Zinc Plated (BZP) Steel
all dimensions in inches
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Allen Key Screws Button Head UNF 1/4 x 5/8 inch in Zinc Plated Steel
(WF27802)
£2.39
Allen Key Screws Button Head UNF 1/4 x 5/8 inch in Zinc Plated Steel   (WF27802)
£2.39
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technical drawing of UNF Socket Head Button Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 1/4
tpi threads per inch 28
dk head diameter 0.437
k head height 0.132
t recess depth 0.087
s drive size 5/32
Standard ASME B18.3
Material Bright Zinc Plated (BZP) Steel
all dimensions in inches
datasheet