Sign In | Join Free | My wpc-board.com |
|
API 15 1/2 Inch Roller Cone Bit With Standard Sealed Bearing Basical Parameter Bit Size 15 1/2mm IADC Code 537G Connection 7 5/8"API reg pin Nozzle Qty 3NZ Make up Torque(KN.m) 16.3~21.7 Operating ...