down the hole bits

Down-The-Hole Bits B19 Core Drill Bits
 
Down-The-Hole Bits B19</s

Down-The-Hole Bits B21 Core Drill Bits
 
Down-The-Hole Bits B21</s

6 Inch DTH bit:
1.10 years manufacturing experience
2.Certificate: ISO9001:2008

 
DTH hammer bits Down The Hole Drilling DHD340A DHD350R High Pressure
 
3" DTH hammer b

API New TCI Cones/Tricone Cutter/Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Can be customized
4.Reliable quality

CIR/DHD/Cop/Br High Air Pressure Hard Rock Drilling Down The Hole/DTH Hammer Drill Bit for Mining & Water Drilling &Quarrying

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

 
6" DTH bits Down The Hole Drilling For Mining Blast Hole Drilling
 
 
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Down The Hole DTH Drill Bits Low Pressure Carbide Tipped Drill Bits
 
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Hole reamer drill bits
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control

1.High performance PDC-Cutters
2.Carbide and Diamond gauge protection
3.Carbide/Diamond Shock Studs
4.Threaded or Plain Carbide Nozzles for Flushin

1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide

1. Bit cones (segment) are spited from tricone bits and welded to build a new bit.
2. The advantage of this series of bits is that it can be made

Male / Female Thread Drill Bit Adapter for Down Hole Drilling in Different Size
 
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API Certificated Float Valve Sub for oilfield , Downhole Drilling Tools
 
Description:

all sizes and codes

dth blast hole drill bit
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO certi

Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control System

1>Meet with API Spec7-1 &ISO 9001:2008
2>Good quality and after-sale service
3>30 years experience in tricone rock bit

Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button...

dth blast hole bit
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO certificat

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades

 
11°Tungsten Carbide Cross Bits Tapered Button Bit For Small Hole Range
 
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20" IADC537 new big size hole opener bit/reamer/Assemble reamer bits for rock drilling horizontal directional

Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control System

CIR/DHD/Cop/Br High Air Pressure Hard Rock Drilling Down The Hole/DTH Hammer Drill Bit for Mining & Water Drilling &Quarrying

Hole opener ,Reamer bit, reamer drill bit
The reamer mainly consists of four or more cones.

1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide

Flat Concave Convex Drop Center Bit Face DTH Button Bits for Big Diameter Hole Drilling
 
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Low Pressure CNC Milling DTH Drill Bits Underground Mining Drill Bit 3 Hole
 
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