... or Samples 4.Hardness:HRC48-52 1.Product: Bulldozer End Bit & Cutting Edge 2.Adavantage of using Heat Treated Boron Material Ground Engaging ... steel.Thus,the cost savings on downtime,labour charges and plow bolts and nuts are tremendous.3.Main Product: Track roller, ... , Bolt & nuts,Track bush & pin,bucket,bucket teeth,Adapters,Cutting edge and end bit,H-link rods,Link rods,Bucket ear,Round ball,Yoke ...