BRITISH STANDARD PIPE TAP AND DIE SET BSP BSPP TAP SET SET CONSISTS OF : SET OF 2 TAPS - ONE TAPER & ONE BOTTOM TAP 1/8" x 28 TPI, 1/4" x 19 TPI, 3/8" x 19 TPI, 1/2" x 14 TPI, 5/8" x 14 TPI, 3/4" x 14 TPI. SPLIT DIES OF FOLLOWING SIZES.
1/8" x 28 TPI - 1" OD 1/4" x 19 TPI - 1.1/2" OD 3/8" x 19 TPI - 1.1/2" OD 1/2" x 14 TPI - 1.1/2" OD 5/8" x 14 TPI - 2" OD 3/4" x 14 TPI - 2" OD.