... ,such as PDC bits,TCI bits,rock bits,tricone bits,single cone bits,multicone bits,steel tooth bits,insert tooth bits ... ,etc. 1 Covers almost all IADC codes2 Durability of premium tungsten carbide insert3 Reliable bearing and lubrication system Steel tooth bitIADC 116Soft ... under heavy weights. The gage teeth are hard faced with tungsten carbide. There are no interruptions on the heel row teeth and ...