1.Bulldozer End Bit & Cutting Edge 2.Material: carbon steel or Boron ... :HRC48-52 1.Product: Bulldozer End Bit & Cutting Edge 2.Adavantage of using Heat Treated Boron Material Ground ... ,the cost savings on downtime,labour charges and plow bolts and nuts are tremendous.3.Main Product: Track ... nuts,Track bush & pin,bucket,bucket teeth,Adapters,Cutting edge and end bit,H-link rods,Link rods,Bucket ear,Round ...