BRITISH STANDARD WHITWORTH ,BSW TAP & DIE SET
FOR THE CLASSIC & VINTAGE OLD CAR / BIKE RESTORER ETC
SIZE: 3/16" to 1/2"
SET CONSISTS OF : SET OF 3 TAPS & SPLIT DIE OF (OD 1" & 1.1/2")
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
THESE TAP & DIES ARE MOSTLY USED IN OLD AND BRITISH CARS AND MOTORCYCLES RESTORATION.