Imperial Threads

The charts below gives the dimensions for BA, BSF, BSW , BSPP and BSPT Threads.

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

BRITISH ASSOCIATION STANDARD THREAD CHART - BA - BS93:1951

BRITISH STANDARD FINE THREAD CHART - BSF - BS84:1956

BRITISH STANDARD WHITWORTH THREAD CHART - BSW - BS 84:1956

BRITISH STANDARD PIPE THREAD CHART - BSPP - BS EN ISO 0228

BRITISH STANDARD TAPER PIPE THREAD CHART - BSPT - BS EN ISO 0228