... bits,tricone bits,single cone bits,multicone bits,steel tooth bits,insert tooth bits,roller bits,drill bits,drilling tools,etc. ... of premium tungsten carbide insert3 Reliable bearing and lubrication systemSteel tooth bitIADC 116Soft to Medium FormationsThe bits is the fastest ... two cone. This insures maximum gage life along with tooth life in more abrasive formations. Effective operating weights are ...