Drop-forged crow bar CB-07 1.Material:65#mn or railway steel 2.Finish:high polished,heat treated with end 3.Hardness:46-55HR Forged crow bar CB-07The crow bar process1)Power forging2)First grinding3)Tempering4)Second grinding and polishing5)Varnishing,painting and packingThe specification 1.Raw material:45# carbon steel 2.Surface treatment :high polished ,heat treated 3.Size:various spec,client's ...