12 1/4" TCI IADC 617 IADC637 Tricone Bits for Water well or oil drilling Product Description KSQ tricone bit used for geoloical prospecting,developmen...
T38 76mm Spherical Button Tungsten Carbide Button Drill Bit Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock ...
ST58 152mm 6 Inch Ballistic Buttons Threaded Drill Bits For Drifting / Tunneling Description This type of bit is used for making large cut holes in ...
T45 210mm Mining Threaded Drill Rod Coupling Sleeve Adapter Semi-bridge coupling, by far is the most popular, has a small non-threaded bridge in the ...