The guide sleeve material of punching die guide column is GCr15 steel, with high hardness and wear resistance, durable and good thermal processing.
Perforating die mounting plate, fixed plate, pad high block, knife plate and so on all use 45# steel which is not easy to deformation to ensure small deformation of punching mould.
Each part has been phosphating treatment to prevent rust.
It is equipped with holed waste cover to prevent holed waste flying out and affecting cleanliness.