... Samples 4.Hardness:HRC48-52 1.Product: Bulldozer End Bit & Cutting Edge 2.Adavantage of using Heat Treated Boron Material Ground ... : Track roller,Carrier roller,Sprocket,Segment,Idler,Track Link Assy,Track shoes, Bolt & nuts,Track bush & pin,bucket,bucket teeth,Adapters,Cutting edge ... and end bit,H-link rods,Link rods,Bucket ear,Round ball,Yoke,Spring,Idler Yoke,Roller Guide ...