Description
Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for National Pipe Taper thread NPT 3/8″ with 18 TPI and Normal class of fit, dimensions according to DORMER-ANSI standard with 16.0mm shank and 12.0mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining, plain carbon and alloy steel and copper or copper alloys.
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