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DORMER PRAMET 5974927 UNC Hand Tap Straight Flute E0611/4NO2
Straight flute hand tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 1/4" with 20 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys
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