Api New Tci Cone/tricone Cutter/reamer Bits/hole Openers 

1.Hole openers are designed for theenlargement of pilot holes and large hole applications.They

are also used for road and rivercrossing application.

2.The hole openers are manufacturedfrom AISI 4145H fully heat-treated alloy steel.All are available withcarbide-milled teeth and insert cutters.Arms and cutters are hardfaced forprotection in three different designs for varying conditions and rockformations.The design of the hole opener allows for field-changing thecutters.They has a wide range of hole opener types,including.

CuttingStructure

The reamer mainly consists of four ormore cones. Cutting Structure with premium tungsten carbide hardfacing orpremium tungsten carbide insert of formulas and new techniques is utilized, andincreases wear-resistance capability of reamer. The pilot is three cone bit(tricone bit ).

Seal andLubrication

High performanceHNBR O-ring for bearing seal and advanced grease for lubrication.

ProductApplication

It is suitable forthe large size well, mining and infrastructure applications.