Sign In | Join Free | My howtoaddlikebutton.com |
|
8 1/2inch IADC 127 steel tooth roller bit/mill tricone bit/oil well drill bit Commodity Size IADC Thread Connection WOB (Weight On Bit) RPM Formation 8 1/2INCH 127 4 1/2API REG 19684~53428lbs 87.5~237...