1.Bulldozer End Bit & Cutting Edge 2.Material: carbon steel or Boron steel 3. ... Drawing or Samples 4.Hardness:HRC48-52 1.Product: Bulldozer End Bit & Cutting Edge 2.Adavantage of using Heat Treated Boron Material ... ,Track bush & pin,bucket,bucket teeth,Adapters,Cutting edge and end bit,H-link rods,Link rods,Bucket ear,Round ball,Yoke ...