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