Description
Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 3/4″ with 16 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 14.0mm shank and 11.0mm square drive, powder metallurgical HSS-E with bright finish and 45 Degree helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.
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