[object Object]Engineering Information, Conversions and Calculations

British Association Fastener Dimensions

The charts below gives the dimensions for Hexagon Head, Socket Cap, Socket Countersink, Socket Button screws with British Association (BA) Threads. Along with dimensions for Full Nuts, Large Flat Washers and Small Flat Washers.

Dimensions shown are in Inches, if you wish to convert to mm, please use our universal converter.

HEXAGON HEAD DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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SOCKET CAP SCREW DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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SOCKET COUNTERSINK SCREW DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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SOCKET BUTTON SCREW DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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FULL NUT DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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LARGE FLAT WASHER DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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SMALL FLAT WASHER DIMENSIONS - BRITISH ASSOCIATION (BA) - BS93:2008

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