Dormer M20 x 1.1/2" od split die

Adjustable circular split die, for ISO-Metric thread M20 with 2.50 mm pitch, to reduce the torque when cutting by hand split dies can be adjusted in small increments up to a maximum of approximately 0.15mm, dimensions according to BS 1127:1950 standard with 1.1/2" outside diameter and 1/2" thickness, HSS with bright finish for threading in free machining and plain carbon steel, ferritic stainless steel and gray, malleable, ductile and compacted graphite cast-iron