Size - Overall Length: 300mm; Shank Diameter: 16mm; Head Diameter: 21mm; Head Thickness: 8mm Features - The ejector pin punch is long and straight, with a smooth surface and a rounded tip. It is not easy to bend or deform during work. Material - Made of 65Mn manganese steel with quenched and tempered surface treatment, HRC: 48-52rc. It is an ejector pin punch characterized by high elastic limit, high strength, high hardenability, and good machinability. Practical Parts - Steel straight ejector pins are also called punching rods or punching needles, which are essential metal parts in the press molds of machine tools. Application - Suitable for working in high-temperature operating environments. Applicable to fitters, mold manufacturing, leather crafts, machine maintenance, and processing industries.