Spiral point tap with chamfer form b with a 3. 5-5xp plug lead, for unified national coarse thread unc 7/8″ with 9 tpi and 3b class of fit with h4 pitch diameter limits, dimensions according to ansi standard with 0. 6970″ shank and 0. 5230″ square drive, powder metallurgical hss-e with bright finish for 2. 5xd through hole threading in free machining and plain carbon steel and wrought or cast aluminium and copper or copper alloys
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Brand: Dormer Pramet
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EDP: 5974064
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