... 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: ... inserts, milling inserts,threading inserts,gear hob,broche cutter, tap cutter,reamers and some nun-standard products etc ... ,000,000 for gear cutter hob and pinion shape cutter. 60% ceramic coating gear cutter hob import from Japan and ...