... .IADC 417 IADC 417 10 5/8" Kingdream carbide cutting tool HAT series for oil well 1.Introduction about us: Hejian ... ,,617,627,637,737512,522,532,612,622,632,732Bearing Type:HJ(metal sealed journal bearing) HA (rubber sealed journal bearingNo ... unionProducts show IADC 417 10 5/8" Kingdream carbide cutting tool HAT series for oil well