Description
Straight flute tap with chamfer form C with a 2-3xP plug lead, for National Pipe Taper thread NPT 1″ with 11.5 TPI and Normal class of fit, dimensions according to ~ANSI B94.9 standard with 28.6mm shank and 21.4mm square drive, HSS with TiN coating for 1.5xD through or blind hole threading in free machining and tool steel, cast-iron and copper or copper alloys
