Dormer 5977622 | NPT 1/2"-14 Thread Size x 17.50mm Shank x 35.00mm Length x 100.00mm OAL 4 Flute Bright Coated HSS E710 Standard Pipe Tap

Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for National Pipe Taper thread NPT 1/2" with 14 TPI and Normal class of fit, dimensions according to ~ANSI B94.9 standard with 17.5mm shank and 13.1mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys.