Description
Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 12 with 24 TPI and 2B class of fit, dimensions according to DIN 371 standard with 6.0mm shank and 4.9mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel.
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