Trenching tooth ,Trenching bits,Asphalt cutter,Concrete cutter,Stabilizer bits,Road Picks,Road Milling bit 1. Road planing bitsRoad planing bits are for cutting asphalt road and concrete road. Road planing bits for road milling machine, they are used for cutting asphalt and concrete road, milling width from 0. 5m-2m. Suitable for wirtgen and dynapac, cat and kennamatel etc. Machine. ...