British Standard Whitworth. BSW. HSS M2 High quality General Purpose Taps, Ground Thread, available in sets of three and also individual taps. Right Hand Cutting, Straight Flute. 3 - 12mm tap wrench.
Tap set includes Taper, Second and Bottoming taps. You can specify individual taps from the product menus or by calling us directly and quoting (TS) BSW 3/8" x 16.
Pitch: 16