Carbide Punches with Key Grooves, Air Holes Minus D tolerance, TiCN Coating

A punch with a carbide keyway and air hole that has air holes in the fixing keyway and shank. It has a TiCN coating that improves wear resistance. The material is carbide (V30) and ultrafine particle carbide (HIP). Shank diameter tolerance can be selected from -0.001/-0.006.