Road Planing bits,Trenching bits,Asphalt cutter,Concrete cutter,Stabilizer bits,Road Picks,Road Milling bits,Milling cutter . Road planing bitsRoad planing bits are ... 22mm. Wirtgen Code is like W4, W5, W6, W7, W1-13 etc., Kennanmetal Code is like RP11, RP10, RP14, RP20 etc ... to customers' samples or other drawings and requests. Asphalt milling cutter Road milling ...