Spiral point tap with chamfer form B with a 3.5-5xP second lead, for Unified National Fine thread UNF 1" with 12 TPI and 3B class of fit with H4 pitch diameter limits, dimensions according to ANSI standard with 0.8000" shank and 0.6000" square drive, powder metallurgical HSS-E with steam tempered surface finish for 2.5xD through hole threading in general purpose applications
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
M - Stainless steel(corrosion resistant steels with ? 11% chromium content) - Possible use
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Possible use
For additional details please check the Manufacturer's site:
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