Elements faced with superhard material
Enhanced gage protection for milled tooth rock bits
Fabrication method for rotary bits and bit components
Fabrication method for rotary bits and bit components
Fixed cutter bit with improved diamond filled compacts
Friction bearing rock bit and segment, and method for making the
Hardening of selected areas of an earth boring rockbit
Hardfaced drill bit structures and method for making such...
Hardfaced mill tooth rotary cone rock bit
Helically fluted tool
Maintaining carburized case during neutral to the core heat...
Manufacture of rotary drill bits
Manufacture of rotary drill bits
Manufacture of rotary drill bits
Matrix diamond drag bit with PCD cylindrical cutters
Matrix diamond drag bit with PCD cylindrical cutters
Method and apparatus for fabricating diamond stud assemblies
Method and apparatus for making a rotary tool for chip...
Method and apparatus for making a rotary tool for chip...
Method and apparatus for manufacturing a rock bit leg