Solid round die with a gun nose, for Unified National Fine thread UNF 1/2" with 20 TPI and 2A class of fit, dimensions according to ISO 2568 standard with 38mm outside diameter and 10mm thickness, HSS with lapped surface finish for threading in free machining and plain carbon steel, ferritic stainless steel and gray, malleable, ductile and compacted graphite cast-iron
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) - Primary use
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Primary use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Primary use
For additional details please check the Manufacturer's site: