Steel Tooth: Premium tungsten carbide hard facing on the surface, it's greatly enhance the wear resistance of the tooth.

Tungsten Carbide Inserts: Various type high quality tungsten carbide inserts can be equipped on the bits, professional and scientific selection of the inserts as per the different application and drilling process so that to achieve high efficient drilling production.

Multiplegauge protection with gauge trimmers on heel and gauge inserts on thegauge surface of the cone, tungsten carbide inserts and hardfacing onthe shirttail increases gauge holding capability and bearing life.

Journalbearing and roller bearing types are available to be chosen. Abrasion& seizure resistance, loading capacity, stability of the bearing arewell improved, suitable for high speed rotary drilling.

Theadvanced metal seals improve the reliability and stability of thebearing sealing. Pressure difference type compensating system assures agood greasing lubrication function.

---- IADC vary from 117--637 applicable for different type formation.

Steel Tooth: Premium tungsten carbide hard facing on the surface, it's greatly enhance the wear resistance of the tooth.

TungstenCarbide Inserts: Various type high quality tungsten carbide inserts canbe equipped on the bits, professional and scientific selection of theinserts as per the different application and drilling process to achievehigh efficient drilling production.

Multiplegauge protection with gauge trimmers on heel and gauge inserts on thegauge surface of the cone, tungsten carbide inserts and hardfacing onthe shirttail increases gauge holding capability and bearing life.

Journalbearing and roller bearing types are available to be chosen. Abrasion& seizure resistance, loading capacity, stability of the bearing arewell improved, suitable for high speed rotary drilling.

PremiumO-ring, Optimal seal compression and curved seal structure can enhancethe seal performance. Pressure difference type compensating systemassures a good greasing lubrication function.

---- IADC vary from 114--637 applicable for different type formation and different drilling rotary speed.

----CuttingStructure Tungsten Carbide Inserts: Various type high quality tungstencarbide inserts can be equipped on the bits, professional and scientificselection of the inserts as per the different application and drillingprocess to achieve high efficient drilling production. ----GaugeStructure Multiple gauge protection with gauge inserts on the gaugesurface of the cone, tungsten carbide inserts and hardfacing on theshirttail increases gauge holding capability. ----Bearing Structure Aircooling roller bearing package. Balls lock the cone, which reduces theprobability of cone-dropping to minimum. ---- IADC vary from 512--732applicable for mining.