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Socket Head Cap (Allen) Screw UNC 5/8 x 1 inch in Zinc Plated Steel - ASME B18.8

Also known as an Allen screw or Allen bolt, or simply a cap screw, socket head cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. A hex key (otherwise known as an Allen key) is required to fit these fasteners. Conforming to ASME/ANSI B18. 3, the contact surfaces of this screw or bolt are protected from external damage. Generally manufactured with a partial thread beyond a certain length and nominal diameter combination, but occasionally some stock may include a fully threaded shank at the same combination.
Image of UNC Socket Head Cap Screws ASME B18. 3-2003 in BZP image
technical drawing of UNC Socket Head Cap Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/8
dk head diameter 0.938
k head height 0.625
t recess depth 0.307
s drive size 1/2
b minimum thread length 1.75-2.82
Standard ASME B18.3-2003,ASTM F837-13e1(CW)
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Head Cap (Allen) Screw UNC 5/8 x 1 inch in Zinc Plated Steel
(WF29097)
£20.66
Socket Head Cap (Allen) Screw UNC 5/8 x 1 inch in Zinc Plated Steel   (WF29097)
£20.66
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technical drawing of UNC Socket Head Cap Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/8
dk head diameter 0.938
k head height 0.625
t recess depth 0.307
s drive size 1/2
b minimum thread length 1.75-2.82
Standard ASME B18.3-2003,ASTM F837-13e1(CW)
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet