Description
Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for (Dryseal) National Pipe Taper thread for Fuel lines NPTF 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.
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