Whitworth thread form (British Standard Whitworth) is a 55 degree imperial (inch) size thread form and is a group of thread forms that also includes: BA, Brass Threads, British Standard Conduit (BSCon), Model Engineers (ME), and British Standard Copper (BSCopper). Whitworth taps should only be used for machining BSW threads.
All BSW (Whitworth) hand taps from famous British brand Presto are available in sets or as individual taps (first/taper, second, plug/bottom hand taps). Hand taps are all straight fluted and can be used as machine taps if required. BSW hand taps are generally used for maintenance, in fabrication shops, hobbyists or for small batch one off jobs. Whitworth hand taps are all straight fluted and can be used as machine taps if required. Buy today for next day FREE delivery.
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