electric drill bits

Usage & Application:
1)For oil drilling
2)For gas drilling
3)For mining bits
4)For coal drilling...

Model NO.: TSP diamond insert diamond drill bit Type: Cylinder Tsp Material: Diamond Customized: Customized Usage: Drilling, Abrasive and Carving Kind

301 PCS Drill Bit Set

Our Other Main Products:
TCI Tricone Bits (2 7/8"-36")
Steel Tooth Bits (2 7/8"- 36")
PDC Bits (3 7/8"-17 1/2")
Drag Bits (3" -15")...

NON SPARKING NON MAGNETIC BERYLLIUM COPPER TWIST DRILL BIT
They are mainly used in hazardous environment where flammable

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

high strength and toughness tungsten carbide insert cutter
size range from 3 7/8"to 26"
Covers almost all IADC code.
Reliable quality

The Tungsten Carbide Tips For Coal Mining Tools And Rotary Drill Bits are made of 100% virgin raw material with submicron grain size.

We are specialized in various blade grinder machine, such as universal tool and 

1. Suitable for precise centering drilling with high machining accuracy
2. Made of emery, sharp and durable

Three Blades PDC Drill Bit

 
 
 
Product Features:
 ...

Characterized by good wear resistance, excellent anti-impact and anti-knocking properties.

1.High Quality Cir110-140
2.Low Air Pressure
3.Dth Hammer And Bit

 
Overburden Drill Bit overburden drilling system 70mm - 400mm OD
 
Details Des

Wireline impregnate diamond core drill bit
The impregnated diamond core bits are the most commonly useful bit

27 - 350 mm Tungsten Carbide Rock Drill Cross Drill Bit for Quarry / Mining
 
<span sty

Drilling Tools T38 102 mm Thread Dome Reaming Button Bits

steel body PDC bit for oil drilling tools

 
Dongguan Qiandao Precision Machinery Manufacture Co., Ltd is professional machinery&n

Forging Concentric DTH Drill Bit for Big Diameter Construction Anchor Drilling
 
<span

 
GD-20A High speed Universal Cutter Grinder Graver Blade Sharpener Drill Bit Grinding Machine
<img sr

1 fast drilling speed,
2 high efficiency and less chipping,
3 minimum material deformation
4 long life

1 fast drilling speed,
2 high efficiency and less chipping,
3 minimum material deformation
4 long life

 
Tunneling Pilot Adapter Drill Bit Shank , 1 inch R28 6°Drill Shank
 
<span s

Steel Body PDC Drill Bit,PDC Bits

Steel Body PDC Drill Bit,PDC Bits

Wireline impregnated diamond coe bits
1. Available in all standard drilling s

Eccentric Overburden Reamer Drill Bit for Big Diameter Water Well Drilling
 
<span style="font-

 
 
 Hot selling  Universal Cutter Grinder Graver Blade Sharpener Drill Bit Grinding Machine