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145mm 5 Inch SD5 Shank Down The Hole High Air Pressure DTH Drill Bit For Construction

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145mm 5 Inch SD5 Shank Down The Hole High Air Pressure DTH Drill Bit For Construction

Brand Name : MING

Model Number : MDSD5-145mm

Certification : ISO9001

Place of Origin : CHINA


Price : 9-99999USD/PC

Payment Terms : T/T, D/P, Western Union

Supply Ability : 2000PCS/MONTH

Delivery Time : 3-5WEEKS

Packaging Details : WOODEN CASE

Processing type : Forging

Machine type : Downhole Tools

Use : Quarry Or Mining Or Well Drilling

Type : DTH Drill Bit

Material : Tungsten Carbide & Steel

Color : Blue,Golden,other Color Available,Blue And Yellow

Product name : Factory Hot Selling DTH Drill Bits

Application : Rock Drilling, Well Drilling, Mining

Advantage : High Performance Rock Drill Bit

Usage : Hole Drilling,Underground Mining,Well Drilling

Face : Flat / Convex / Concave

Key words : Dth Bit

High Light : 145mm Down The Hole Bit, 5 Inch High Air Pressure DTH Bits, SD5 Shank DTH Drill Bit

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Product name: 145mm 5 Inch SD5 Shank Down The Hole High Air Pressure DTH Drill Bit For Construction
Product category: DTH drill tools
Matched hammer: Hammer SD5
Diameter: 145 mm

KINGDRILLING high air pressure DTH button bit description:

Down-the-hole (DTH) drilling is a widely used method in the mining, construction, and geothermal industries for drilling boreholes efficiently and effectively. At the heart of DTH drilling equipment is the DTH drill bit, a crucial component that directly impacts the success and productivity of drilling operations. In this comprehensive guide, we will delve into the world of DTH drill bits, exploring their features, advantages, and applications in various industries.

DTH drill bits are indispensable tools in the world of drilling, offering efficiency, precision, and versatility across various industries. With their advanced features, advantages, and wide-ranging applications, DTH drill bits continue to be a cornerstone of modern drilling technology, driving progress and innovation in excavation and exploration projects worldwide.

KINGDRILLING 5 inch high air pressure DTH button bit technical parameters:

5 inch high air pressure DTH bits
Model Bit Dia.(mm) NO. X Button Dia. NO.Air Holes(PCS) Weight(KG)
Gauge Front
MDSD5-135 135 7*Φ16 6*Φ14 2 15.5
MDSD5-140 140 7*Φ18 7*Φ14 2 16.0
MDSD5-146 146 8*Φ18 7*Φ14 2 16.5
MDSD5-152 152 8*Φ18 8*Φ14 2 17.0
MDSD5-165 165 8*Φ18 8*Φ16 2 18.0

Order guide: Shank+Head diameter+Face design+Button shape

Advantages of High Air Pressure Drill Bits:

  1. Efficiency: DTH drill bits are known for their high drilling speeds and efficiency in penetrating hard rock formations. The combination of impact force and rotation makes DTH drilling a rapid and effective method for borehole creation.

  2. Versatility: DTH drill bits can be used in various applications, from mining and quarrying to geothermal drilling and construction projects. Their versatility makes them a preferred choice for a wide range of drilling operations.

  3. Precise Drilling: DTH drill bits offer excellent control and precision, allowing operators to create straight and accurate boreholes with minimal deviation.

  4. Longevity: With their robust construction and high-quality materials, DTH drill bits are designed to withstand the rigors of continuous drilling, offering a longer lifespan compared to conventional drill bits.

  5. Enhanced Productivity: The efficient drilling performance of DTH drill bits translates to increased productivity on job sites, reducing downtime and improving overall project timelines.

Features of High Air Pressure Drill Bits:

DTH drill bits are specialized cutting tools designed to bore through hard rock formations efficiently. These drill bits are crafted with precision engineering and high-quality materials to withstand the demanding conditions of deep drilling operations. Some key features of DTH drill bits include:

1. Tungsten Carbide Inserts: DTH drill bits are equipped with tungsten carbide inserts strategically placed on the bit’s face to provide superior abrasion resistance and cutting performance. These inserts are crucial for maintaining the bit’s longevity in tough drilling conditions.

2. High-Quality Steel Body: The body of a DTH drill bit is typically made from high-strength steel, ensuring durability and resistance to wear and tear during drilling operations.

3. Optimized Design: DTH drill bits come in various designs, including button bits and concave bits, each tailored to different rock formations and drilling requirements. The design of the bit influences factors such as drilling speed, impact energy transfer, and hole straightness.

4. Multiple Carbide Shapes: DTH drill bits may feature different carbide shapes, such as spherical, ballistic, or parabolic, to suit specific drilling conditions and rock types.

5. Internal flushing system: Many DTH drill bits are equipped with an internal flushing system that helps clear debris and cool the bit during drilling, improving overall drilling efficiency.

Kingdrilling DTH bit application:

  1. Mining: DTH drill bits are extensively used in mining operations for exploration, production drilling, and blasting activities. These bits are crucial for accessing mineral deposits buried deep within hard rock formations.

  2. Construction: In the construction industry, DTH drill bits are employed for various tasks, including foundation drilling, piling, and tunneling. Their precision and efficiency make them ideal for creating holes in challenging ground conditions.

  3. Water Well Drilling: DTH drill bits are commonly used in water well drilling projects to bore through rock formations and create wells for accessing groundwater resources.

  4. Geothermal Drilling: Geothermal exploration and drilling operations rely on DTH drill bits to penetrate deep into the earth’s crust to access geothermal energy sources for power generation.

  5. Quarrying: DTH drill bits play a critical role in quarrying operations, where they are used to extract blocks of stone or minerals from rock formations efficiently.


1. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
4. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

5. What is DTH Bit?

Down-the-hole (DTH) hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground.

6. What is DTH hammer?

Down-the-hole drilling (DTH) essentially involves a drilling hammer at the bottom of a drill string. It relies on three elements for drilling holes: bit loading (weight), rotation and air. These active elements combine to be efficient at crushing rock.

7. How does DTH drilling work?

A down-the-hole drill, usually called DTH by most professionals, is basically a jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or drilling mud).

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145mm 5 Inch SD5 Shank Down The Hole High Air Pressure DTH Drill Bit For Construction

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