Description
Spiral flute tap Blue Shark with chamfer form C with a 2-3xP plug lead, for British Standard Pipe thread G 1/4″ with 19 TPI and Normal class of fit, dimensions according to DIN 5156 standard with 11.0mm shank and 9.0mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 40° helix angle for 2xD blind hole threading in stainless steel
