Description
Solid round die with a gun nose, for Unified National Coarse thread UNC 7/8″ with 9 TPI and 2A class of fit, dimensions according to ISO 2568 standard with 55mm outside diameter and 22mm 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
