Unified Bolt Dimensions
The charts below gives the dimensions for Hexagon head, Socket cap, Low head socket cap ,Socket countersink, Socket button and Shoulder screw with Metric Threads.
Dimensions shown are in Inches, if you wish to convert to mm, please use our universal converter.
We also have information on Imperial and Metric Bolts.
SOCKET CAP SCREW DIMENSIONS - UNIFIED - BS 2470:1973
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SOCKET COUNTERSINK SCREW DIMENSIONS - UNIFIED - BS 2470:1973
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SOCKET BUTTON SCREW DIMENSIONS - UNIFIED - BS EN ISO 7380
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