... 4.adequate stocks,fast delivery 5.IADC 417 IADC 417 10 5/8" Kingdream carbide cutting tool HAT series for oil well 1.Introduction ... ,120mm,127mm(5”)130.1mm(5 1/8”),133.3mm(5 1/4”),139.7mm(5 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8 ... ”),165.1mm(6 1/2”)190.5mm(7 1/2”),193.6mm(7 5/8”),200.0mm(7 7/8”)212.7mm(8 3/8 ...