1. impact value: 17-21J, 2.hardness:47-52HRC 3. Excavator Komatsu PC400 TEETH 208-70-14152 (10.1KG):USD1.4/KG ... ,T3,T4.Machine type:Excavator, Loader,Bulldozer,etc.Brands:Caterpillar, Komatsu, ESCO,JCB,Hyundai,Daewoo,Hitach,etcHeat treatment:Quenching and tempering ... very suitable for many different hard working conditions.Construction Machinery Komatsu PC400 casting part 208-70-14152 (10.1KG) with ...