Professional Manufacturer of High-Performance Rock Drilling Tools

DTH Bit

DTH (Down-The-Hole) drill bits are specialized tools used in drilling operations, particularly in mining, constructiooil and gas exploration. They are a crucial component of the DTH drilling system, which involves using compressed air to operate the drilling mechanism.

Description

Technical Specifications

 Dia.(mm)Gauge buttonWeight(Kg)Part No.
CIR90CIR90 DTH Bit
Ballistic button / Convex face
906xΦ143.69CIR90-90BC
1006xΦ144.25CIR90-100BC
1106xΦ144.92CIR90-110BC
1206xΦ145.52CIR90-120BC
1307xΦ146.56CIR90-130BC
CIR110CIR110 DTH Bit Ballistic Button Convex face
Ballistic button / Convex face
1106xΦ145.86CIR110-110BC
1206xΦ145.89CIR110-120BC
1307xΦ147.59CIR110-130BC
1408xΦ148.47CIR110-140BC
1508xΦ149.47CIR110-150BC
1709xΦ1411.44CIR110-170BC
CIR110CIR110 DTH Bit Ballistic Button Flat face
Ballistic button / Flat face
1106xΦ145.86CIR110-110BF
1206xΦ145.89CIR110-110BF
1307xΦ147.59CIR110-110BF
1408xΦ148.47CIR110-110BF
1508xΦ149.47CIR110-110BF
1709xΦ1411.44CIR110-110BF
CIR130(Bit Shank 65mm and 76mm)CIR130 DTH Bit Ballistic Button Convex face
Ballistic button / Convex face
1307xΦ147.59CIR130-130BC
1408xΦ148.47CIR130-140BC
1508xΦ149.47CIR130-150BC
1709xΦ1411.44CIR130-170BC
CIR130(Bit Shank 65mm and 76mm)CIR130 DTH Bit Ballistic Button Flat face
Ballistic button / Flat face
1307xΦ147.59CIR130-130BF
1408xΦ148.47CIR130-140BF
1508xΦ149.47CIR130-150BF
1709xΦ1411.44CIR130-170BF

Carbonized Button Shape

Round Bit Button

Domed / Round Button

Usually used as gauge buttons on DTH bits, ideal for very hard and highly abrasive formations.

Parabolic Bit Button

Parabolic / Semi-Ballistic Button

Commonly used as gauge and front buttons, suitable for hard and medium-abrasive rock formations.

Ballistic Bit Button

Ballistic Button

Usually used as front buttons for medium-hard and medium-abrasive formations, and can also serve as gauge buttons in softer rock.

Applications of DTH Bit

Transportation Tunnel Construction

Mining

Used for blasting holes, exploration holes, etc.

Foundation Reinforcement​

Construction Engineering

Used for foundation treatment, pile foundation drilling, etc.

Water Energy Resource Exploration

Water Conservancy Engineering

Used for wells, drainage holes, etc.

Geological Core Drilling

Geological Exploration

Used for core sampling, geological surveys, etc.

Competitive Advantage

Optimized Performance

Engineered to improve drilling stability, reduce downtime, and extend bit service life in harsh working conditions.

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Professional Bit Design

Made from durable materials such as tungsten carbide and high-strength steel for excellent wear resistance and impact performance.

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High Drilling Efficiency

Provides fast penetration and efficient drilling performance, helping improve productivity compared with conventional drilling methods.

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Wide Application Range

Designed for deep and precise hole drilling in hard rock, with strong adaptability across demanding drilling applications.

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Strong Compatibility

Compatible with a wide range of DTH hammers and drill rigs, offering flexibility for different drilling operations.

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Cost-Effective Solution

Long service life and high efficiency help reduce replacement frequency and lower overall drilling cost.

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