carbide cutting tool,tips gear cutter,milling cutter,threading insert patent coating technique,cost effective ISO standard Specification of nano-ceramic superhard coating gear hob cutter,gear milling cutter,gear cutter 1. Name: nanocomposite superhard coating gear hob cutter,hob cutter,gear cutter 2. Brand: YUJIE3. Type: ISO standard,also can produce according to drawings.4. Material: carbide, ...