... bits,rock bits,tricone bits,single cone bits,multicone bits,steel tooth bits,insert tooth bits,roller bits,drill bits, ... withstand the stresses imposed in drilling hard formations under heavy weights. The gage teeth are hard faced with tungsten carbide. ... 2) X-chisel teeth3)K- wide teeth4)G- Gague protectionMaterialAlloy steel ,carbideMarketCanada, USA,Middle east ,Africa,Europe API New Kingdream 8 ...