... machines,shearers,continus mines etc.1. Trenching Bit Trenching bits for trenching beside the road Kennametal Code is like RL08, ... etc.. 2. Road Planing bits Road milling bits are for cutting asphalt road and concrete road. Road planing bits for road milling machine, they ... like RP11, RP10, RP14, RP20 etc. 3. Stabilizer bits Road pick bits for soil stabilizers, commonly use round shank, Wirtgen Code is ...