dowel pins China

... 45 steel. The material of the safety pin is 35, 45, 50, T8A, T10A, etc., and the hardness after heat treatment is 30~36HRC. The pin sleeve material can be 45, 35SiMn, 40Cr, etc., and the hardness after heat treatment is 40~50HRC. Pins play a pivotal role in the connection of mechanical components. According to different shapes and functions, it can be divided into: split pin, tapered pin, cylindrical pin, grooved pin, dowel pins,coupling pins, etc. Among the pin products, cylindrical pins, tapered pins and split pins are commodity fasteners that are produced.