The surface of the knurling tools is anodized with special trade, anti-rust , high processing efficiency.. The teeth of the wheels are not only hard, and wear- , but also sharp, The machined parts can be cut quickly.. These knurling tools are made from steel, which worked with strict treatment. Rigidity, wear resistance, anti-demolition damage strength.. To pressure patterns during the mechanical process to prevent slipping.. One knurling linear knurling tool has two directions, one is positive and the other one is negative..
