DRILL TOOL
Button Bit
Drill Rod
Shank Adapter
Coupling Sleeve
Blade Bit
Coal Mining Drill Bit
Reaming Tool
Retrac Button Bit
Rotary Drill Bit
Cemented Carbide Grinding
Integral Steel Grinding
DTH TOOL
DTH Bit
DTH Hammer
DTH Pipe
Jumbo Cluster Hammer
Low Air Pressure DTH
Anchor Tools
Sub Adaptor
DTH Bit Profile
Special DTH Bit
RC Tools
Overburden System
ROCK DRILL
Pneumatic Rock Drill
Hydraulic Rock Drill
Excavator Mounted
Paving Breaker
Air Pick
STONE TOOL
Block Splitting
Block Pushing
Integral Steel Grinding
Polishing and Grinding
Abrasive Consumable
Diamond Blade and Drill

HDD Hole Opener

HDD Rock Reamer ( Hole Ppener ) mainly consists of four or more roller cones. Cutting Structure with premium tungsten carbide hard facing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of rock reamer. Hole opener with interchangeable cutters

HDD Hole Opener

Available roller cone with sealed bearing or metal sealed bearing.
Seal and Lubrication: High performance HNBR O-ring for bearing seal and advanced grease for lubrication.
Application: Suitable for the HDD /trenchless applications
How to do replaceable hole opener :
1. Drillers always drill a smaller hole at first, then enlarger it with hole opener, it is a type of regular drilling technology when the drilling machine is lower power or the end-hole is too big.
2. We can make the hole opener and solutions according to the hardness of rocks, drilling depth, size of pilot hole, size of end-hole. 
3. If fix the tricone bits as the pilot bits, the hole opener will be a rock bits, hole opener with tricone bits as pilot bits is always applicable in special sizes well drilling
 
For top hammer drilling, we can supply Dome or Integral Reaming Tools for hole opener, including reaming rings, and pilot bit.
For rotary Drilling, also we can supply HDD rock reamer, pilot bit is tricone bit
 
Prodrill offer the Drilling Contractor a large range of  Rock Reamers
 
 
    Range  8 ½” to 12” Diameter
    Range 12” to 20” Diameter
    Range 16” to 26” Diameter
    Range 24” to 34” Diameter
    Range 32” to 42” Diameter
    Range 42” to 52” Diameter
 
    Range  8 ½” to 12” Diameter 
    Range 12” to 20” Diameter 
    Range 16” to 26” Diameter 
    Range 24” to 34” Diameter 
    Range 32” to 42” Diameter 
    Range 42” to 52” Diameter