1.Certified by ISO9001&API 2.Strong cutting structure durability 3.Fast drilling rate 4.Rubber seal or metal seal

1.Suitable for medium to medium hard formation of high Crushing Resistanc

  (hard shale,sands,etc.)     

2.Bit bearing is non-sealed roller bearing.

3.Hardfacing is applied on the shirttail,and carbide inserts for gage protection

  are pressed into the head OD.

4.Cone gage surface is reinforce with carbide compacts. 

Detailed Product Description

1,tungsten carbide insert tricone bit2.certified by ISO,API3.wide size code4.best price5.delivery on time