Description
Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 8 with 36 TPI and 2B class of fit, dimensions according to DIN 371 standard with 4.5mm shank and 3.4mm 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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