BSW LEFT HAND THREAD TAP AND DIE SET 3/16,1/4,5/16,3/8,7/16,1/2 ENGLISH THREAD

BSW TAP DIE SET - LEFT HAND. BRITISH STANDARD WHITWORTH TAP & DIE SET. THESE TAP & DIES ARE MOSTLY USED IN OLD AND BRITISH CARS AND MOTORCYCLES RESTORATION. 3/16" x 24 TPI, 1/4" x 20 TPI, 5/16" x 18 TPI ,3/8" x 16 TPI, 7/16" x 14 TPI, 1/2" x 12 TPI.

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