311mm 10 Inch DHD1120 High Air Pressure DTH Drill Hammer Bits For Engineering Geology Drilling Rig

Product name: 311mm 10 Inch DHD1120 High Air Pressure DTH Drill Hammer Bits For Engineering Geology Drilling Rig
Product category: DTH drill tools
Matched hammer: Hammer DHD1120
Diameter: 311mm

KINGDRILLING DTH button bit description:

Down The Hole (DTH) drill bits are essential tools used in the mining, construction, and exploration industries for creating boreholes into the earth's surface. These specialized drill bits are designed to operate with Down The Hole hammers, providing efficient and powerful drilling capabilities in various types of rock formations. In this comprehensive guide, we will delve into the features, advantages, functions, and applications of Down The Hole drill bits.

KINGDRILLING 12 Inch High air pressure DTH bit technical parameters:

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

Advantages of Down The Hole Drill Bits

1. Efficient Penetration: One of the primary advantages of DTH drill bits is their ability to deliver high penetration rates in hard rock formations. These bits are designed to withstand tough conditions and maintain consistent drilling performance even in challenging environments.

2. Versatility: DTH drill bits are versatile tools that can be used in a wide range of applications, including mining, quarrying, construction, and exploration activities. They are suitable for drilling both vertical and horizontal boreholes, making them highly adaptable to different drilling requirements.

3. Precision Drilling: With their advanced design and engineering, DTH drill bits offer precise drilling control, allowing operators to achieve accurate hole depths and diameters with minimal deviation. This precision is essential in applications where hole accuracy is critical.

4. Cost-Effectiveness: While DTH drill bits may have a higher initial cost compared to other types of drill bits, their long-term cost-effectiveness stems from their durability and extended lifespan. These bits are designed to withstand heavy usage, reducing the frequency of replacements and maintenance.

5. Reduced Downtime: The robust construction of DTH drill bits minimizes the risk of premature wear and damage, resulting in reduced downtime for maintenance and repairs. This improved reliability ensures continuous drilling operations, enhancing overall productivity on the job site.

6. Optimized Performance: DTH drill bits are engineered for optimal performance, delivering consistent results in terms of drilling speed and efficiency. Their design features enhance energy transfer from the hammer to the bit, maximizing drilling power and productivity.

Features of Down The Hole Drill Bits

1. Tungsten Carbide Inserts: DTH drill bits are equipped with high-quality tungsten carbide inserts that provide excellent wear resistance and cutting efficiency. These inserts are strategically positioned on the bit face to ensure effective rock breaking and penetration.

2. Flush-Face Design: Many DTH drill bits feature a flush-face design, where the bit face is smooth and flat to promote better contact with the rock surface. This design minimizes energy loss during drilling and enhances the transfer of impact force to the rock.

3. Multiple Nozzles: To ensure efficient flushing of cuttings and cooling of the bit during drilling, DTH drill bits are equipped with multiple water or air nozzles. These strategically placed nozzles help maintain optimal drilling conditions and prolong the lifespan of the bit.

4. High-Quality Steel Body: The body of a DTH drill bit is typically made from high-strength steel to withstand the high impact forces and vibrations experienced during drilling. This durable construction ensures the longevity and reliability of the bit in demanding drilling conditions.

5. Various Bit Face Configurations: DTH drill bits are available in a variety of face configurations, including convex, flat, and concave designs. Each configuration is suitable for specific rock types and drilling conditions, allowing operators to choose the most appropriate bit for their application.

6. Threaded Connection: DTH drill bits feature a threaded connection that allows for easy attachment and detachment from the drilling equipment. This quick-change system enables operators to switch between different bit sizes and types efficiently, enhancing drilling flexibility on site.

Function of Down The Hole Drill Bits

Down The Hole drill bits play a crucial role in the drilling process by effectively breaking and removing rock material to create boreholes of varying depths and diameters. The function of DTH drill bits can be summarized as follows:

1. Rock Breaking: The primary function of a DTH drill bit is to break and fracture rock formations encountered during drilling. The high-velocity impact energy generated by the Down The Hole hammer is transferred to the drill bit, causing the tungsten carbide inserts to exert pressure on the rock surface, leading to its fragmentation.

2. Cutting and Clearance: As the DTH drill bit rotates and advances into the rock, the tungsten carbide inserts on the bit face cut into the material, creating rock chips and cuttings. Simultaneously, the flushing action of water or air through the nozzles helps clear these cuttings from the borehole, preventing bit clogging and maintaining drilling efficiency.

3. Hole Formation: Through a combination of impact force, rotation, and flushing, DTH drill bits facilitate the creation of precise and well-defined boreholes in various rock formations. The design features of the bit ensure optimal contact with the rock surface, allowing for controlled drilling and hole formation.

Applications of Down The Hole Drill Bits:

1. Mining: DTH drill bits are extensively used in mining operations for exploration, production, and geotechnical drilling. These bits are well-suited for hard rock drilling and can create boreholes of varying depths to extract mineral resources efficiently.

2. Construction: In the construction industry, DTH drill bits play a crucial role in foundation drilling, pile driving, and tunneling projects. Their ability to penetrate challenging rock formations makes them essential tools for creating stable structures.

3. Quarrying: DTH drill bits are commonly employed in quarrying operations to extract stone, gravel, and other materials from the earth.

FAQ:

1. What is button bit?

Button bits, or roller cones, have rotating cones that contain tungsten carbide inserts. Tricone, or three cone bits, are the most common; however, manufacturers continue to make two cone and one cone bits.

2. How do you drill through boulders?

Apply moderate pressure to the drill, and drill for one minute. Don't force the bit into the boulder; let the drill do the work. Remove the bit from the hole, and cool it in the pitcher of water. Lightly spray the boulder with water to remove dust and to cool the rock.

3. 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.

4. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.

5. How to choose the suitable head face of the DTH drill bit?

Concave:

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

Convex:

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

Flat:

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

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