Hexagon die nut, for Unified National Coarse thread UNC 1.1/2" with 6 TPI, dimensions according to ANSI standard with 2.5/8" width across flat and 1" thickness, made from chromium tool steel with bright finish for repairing damaged thread in free machining and plain carbon 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) - Possible 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: