DIMENSIONS FOR UNIFIED BOLTS

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.

HEXAGON HEAD DIMENSIONS - UNIFIED - BS 1768:1963

Hexagon Bolt Dimensions - Unified -BS 1768:1963Hexagon Bolt Dimensions - Unified -BS 1768:1963

SOCKET CAP SCREW DIMENSIONS - UNIFIED - BS 2470:1973

Socket Cap Screw Dimensions - Unified - BS EN ISO 4762: 200Socket Cap Screw Dimensions - Unified - BS EN ISO 4762: 2004

SOCKET COUNTERSINK SCREW DIMENSIONS - UNIFIED - BS 2470:1973

Socket Countersink Screw Dimensions - Unified - BS EN ISO 10642: 2004Socket Countersink Screw Dimensions - Unified - BS EN ISO 10642: 2004

SOCKET BUTTON SCREW DIMENSIONS - UNIFIED - BS EN ISO 7380

Socket Button Screw Dimensions - Unified - BS EN ISO 7380: 2004Socket Button Screw Dimensions - Unified - BS EN ISO 7380: 2004