Straight flute hand tap NO3 with a 2-3xP plug lead, for Unified National Fine thread UNF 1/4" with 28 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 general purpose applications
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Possible 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
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Possible use
S - High-temperature alloys(superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel) - Possible use
For additional details please check the Manufacturer's site:
Prop65 Warning:
WARNING: Cancer - www.P65Warnings.ca.gov
