... ,Road Picks,Road Milling bits,Milling cutter . 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 ... Wirtgen Code is like W4, W5, W6, W7, W1-13 etc., Kennanmetal Code is like RP11, RP10, RP14, RP20 ...