Hexagon die nut, for ISO-Metric Fine thread M10 with 1.25 mm pitch and 6g class of fit, dimensions according to BS 1127:1950 standard with 0.9200" width across flat and 3/8" thickness, HSS with bright finish for repairing damaged thread in free machining and plain carbon steel, ferritic stainless steel and gray, malleable, ductile and compacted graphite cast-iron