... bits,rock bits,tricone bits,single cone bits,multicone bits,steel tooth bits,insert tooth bits,roller bits,drill bits, ... formations. Long crests in the outer row teeth have self-sharpening hard facing applied for maximum penetration and longer bit life ... 2) X-chisel teeth3)K- wide teeth4)G- Gague protectionMaterialAlloy steel ,carbideMarketCanada, USA,Middle east ,Africa,Europe API New Kingdream 8 ...