We specialize in producing all kinds of DTH Bit products, mainly Drill Tool Tricone Mining Bits, Mining Tricone Bit, Rotary Tricone Bit Mining Drilling, Rotary Drill Bits For Mining, Tungsten Carbide Bit, Reaming Shell, TSP Core Bit, Wireline Drill Rod, PDC Drilling Bit, Surface Set Diamond Bit, Lmpregnated Diamond Bit, etc.
As one of the premier enterprises, we specialize in the provision of top-tier dry mining machinery equipment and comprehensive maintenance services, as well as offering a robust selection of wear-resistant materials tailored for the mining industry. Our portfolio of innovative solutions and expert services has yielded outstanding outcomes in Angola's challenging mining landscape. This success has positioned us as a go-to partner for mining operations across the continent.
Company Advantages
Large Scale
We have more than 1500 square meters workshop, with a fully automatic CNC production line, and are committed to providing customers with the best products and services.
Well-Experienced
We were established in 2017, with more than 7 years of manufacturing experience, can provide customers with perfect solutions.
Affordable Price
You can get our catalog online or visit our factory to see our products. We also provide competitive price and excellent customer service for all our customers. We also can offer different discounts based on your order quantity. Our pricing policies are designed to offer affordable options while not compromising on quality.
Fast Delivery
On average, a quote will be submitted in 24 hours. The parts are shipped within 7 days or less, and our delivery time and quality rate has reached 99%. Large amounts of raw materials and advanced technology allow us to quickly meet the needs of wholesale orders and reduce customers' waiting time.
24-hour Online Customer Service
Our customer service is available online 24 hours a day. After receiving the service information or feedback from the customer, we will reply and address the feedback in the shortest time. We have an experienced and professional customer support team to provide flexible service to customers around the world, giving full support from product design to marketing.
Professional Team
We have hundreds of professional and technical personnel, and we can provide you with professional services. Professional engineers also can provide expertise consultations and professional advice on product selection, design, installation, and maintenance.
Advanced Production Equipment
We are a full-service company providing complete design, R&D, production and sales services. Our production workshop is equipped with the most advanced equipment. We have hundreds of professional and technical personnel, and we can provide you with professional services.
A Global Supply Chain
We are present globally, backed by local customer service, and a strong sales representatives network. Our logistic hubs with large storage capacities located close to our customer facilities (Europe, Americas, Asia Pacific) ensure short time deliveries.
A DTH (Down-The-Hole) drill bit is a tool used in drilling operations in mining, quarrying, and construction. It is designed to be used with a DTH hammer to drill holes in rock, soil, and other hard materials.
The DTH drill bit consists of a steel body with tungsten carbide buttons on the face. These buttons are arranged in a specific pattern to provide the required drilling pattern. The buttons are made of extremely hard and durable materials, which can withstand the high impact forces and abrasion during drilling.
The DTH drill bit is connected to the drill string, which rotates the bit and provides the necessary force for drilling. As the bit rotates, the buttons on the face of the bit break up the rock, soil or other materials, creating a hole.
DTH drill bits are available in a variety of sizes, shapes, and designs, depending on the type of drilling operation and the material being drilled. They are commonly used in mining, oil and gas drilling, construction, and geothermal drilling.
DTH drill bits are designed to make operations easier by drilling further, whatever the conditions. They have optimized head length with maximized steel support for the cemented carbide buttons, deep face grooves for excellent flushing and an aggressive cutting structure.
Advantages of DTH Bit
Faster penetration rate: DTH drill bits can penetrate rock formations more efficiently than other types of drill bits due to their efficient transfer of energy from the hammer to the bit.
Improved straightness: The design of the DTH drill bit ensures that the hole is drilled straight, reducing the likelihood of deviation or deflection, which is important for mining and construction operations.
Longer lifespan: DTH drill bits are made from high-quality materials, such as tungsten carbide, which can withstand the high impact and wear of drilling in hard rock formations. This results in a longer lifespan for the drill bit, reducing the need for frequent replacements.
Versatility: DTH drill bits can be used for a wide range of drilling applications, including mining, quarrying, construction, and geothermal drilling, making them a versatile choice for various industries.
Lowering drilling costs: Due to their high penetration rate and longer lifespan, DTH drill bits can help reduce drilling costs over the long term, making them a cost-effective choice for drilling operations.
Types of DTH Bit
Mining Tricone Bit
A mining tricone bit is a drill bit with a head that has three main parts. It's also known as a roller bit.
Mining Tricone Bits are used in mining operations to drill through rock formations to access minerals such as gold, silver, copper, and coal. They can also be used to go into the ground to get to things like crude oil deposits, usable water, or natural gas deposits.
Mining Tricone Bits work by using their multitude of very small chisel shapes, which protrude from a roller. As the drill string is rotated, the bit cones roll along the bottom of the bore hole in a circular motion. This repeatedly applies pressure to hundreds of contact points per second as the inserts or teeth of a bit rotate across the formation. The weight creates tiny cracks and fractures in the rock, which then breaks away into fragments called cuttings.
1.Advantages:
- Versatility: Tricone bits can handle a variety of rock formations, including soft, medium, and hard.
- Durability: Tricone bits can withstand high heat, pressure, and abrasion, even in harsh mining conditions.
- Flexibility: Tricone bits can fracture rock, making it more flexible and allowing them to adapt to different formations.
- Ease of maintenance: Tricone bits are easy to maintain.
- Consistency: Tricone bits can consistently perform well, even in harsh mining conditions.
2.Applications:
Tricone bits are used in mining for a variety of purposes, including: Drilling holes, Drilling for oil and gas, Drilling geothermal holes, Construction, Trenchless underground network management, Foundation pile engineering.
Rotary Drill Bits For Mining
Rotary Drill Bits For Minings are used in mining to cut or crush rock formations by applying downward pressure. They are often used in pit mines, petroleum extraction, and other fields.
Rotary Drill Bits For Minings are manufactured using advanced materials technology. This enables longer bit life and reduces costs. Innovative bearing technology and improved geometry, materials and innovative machining methods all contribute to higher performance.
1.Advantages:
- Fast penetration: Air rotary drilling can drill hundreds of feet in a short period of time.
- Long bit life: Compressed air can extend the life of the bit.
- Low noise: Rotary drilling rigs produce less noise than other drilling methods.
- Reduced health hazard: Rotary drilling has lower concentrations of small dust sizes, which reduces the health hazard.
- Stronger: Rotary hammers are stronger and more comfortable to use than high-end hammer drills. They send less vibrations through your hands and arms.
- Increased rate of penetration: Convex drill bits are used for soft and medium-hard rocks and have an increased rate of penetration.
2.Applications:
- Drilling holes: Rotary drilling is used to drill small holes, up to 25 mm in diameter, to install bolts in coal mines. Air rotary drilling is used to drill deep boreholes in rock formations.
- Obtaining samples: Rotary drilling is used to form deep observation boreholes or to obtain representative samples of rock.
- Rotary crushing: Rotary crushing is used in medium to hard rocks.
- Rotary cutting: Rotary cutting is used in soft rocks.
- Lubricating and cooling: Fluid, such as drilling mud, is circulated through the bit to lubricate and cool it. The fluid also brings rock chips to the surface where they can be collected and analyzed.
Tungsten Carbide Bit
A tungsten carbide bit is a cutting tool used to create cylindrical holes, usually with a circular cross-section. Tungsten carbide bits are made of steel with a tungsten carbide tip. They are very strong, hard, and scratch resistant, making them ideal for a variety of industrial applications.
Tungsten carbide bits are made by mixing tungsten oxide with graphite and heating the mixture to over 2200°F. The chemical reaction removes oxygen from the oxide and combines the carbon with the tungsten to create tungsten carbide.
1.Advantages:
- Wear resistance: Tungsten carbide is one of the hardest materials in the world, second only to diamond. It's more resistant to wear than high-speed steel (HSS).
- Durability: Tungsten carbide is extremely durable and can withstand high temperatures and pressures. It can maintain a sharp cutting edge longer than steel and can cut harder materials.
- Stability: Tungsten carbide doesn't undergo phase changes during heating and cooling, and it retains its stability indefinitely.
- Surface finishes: Tungsten carbide can produce a better finish than steel.
- Speed: Tungsten carbide can withstand higher temperatures and therefore faster cutting speeds than steel.
- Efficiency: Tungsten carbide's cutting-edge retention makes it highly efficient.
2.Applications:
- Mining: Tungsten carbide is ideal for mining operations because of its high strength and wear resistance. It's used in underground mining operations such as tunnel boring machines.
- Drilling: Tungsten carbide is used in drilling bits because drills can be subjected to heavy wear and tear. Tungsten carbide can also be used to drill printed circuit boards.
- Cutting tools: Tungsten carbide can be used in many fields, including machine and tool construction, the automotive industry, and in the aerospace industry. Tungsten carbide can be used as a replaceable chip for cutting tools, such as turning or rotary cutting.
- Blades: Tungsten carbide blades are used for cutting rubber, packaging, plastics, fiber, film, foil, mat board, and capsules.
Reaming Shell
A reaming shell is a tool used in diamond drilling systems to couple the drill bit to the core barrel. It's located above the diamond core bit and has a slightly larger outside diameter than the core bit.
The reaming shell's main function is to ream the hole to a specific diameter, which ensures enough clearance for the core barrel and the new bit. Reaming shells can be used in all conditions, from broken and abrasive to consolidated and non-abrasive formations.
Reaming shells are made of natural or synthetic diamonds set into spiral panels on the shell's outside diameter. They can maintain hole direction and gauge, and prevent drilling tools from wearing out prematurely due to vibration.
1.Advantages:
- Spiral waterway canals: These are wider than standard design type and reduce the potential for blockage by pebbles or other debris.
- Tapered leading edge: This is for ease of movement down the drill hole.
- Shell reamers: These are specially made for larger holes – commonly ¾” and above. They are separate fluted tips designed to fit onto existing shanks.
- High-quality surface finish: High performance reaming can generate a low Ra surface finish.
- Dimensional accuracy: Reaming can provide dimensional accuracy to close limits.
- Finishing small holes: Reaming can finish small holes which cannot be finished by other processes.
2.Applications:
Drilling: Reaming shells are used to keep the bore diameter and stability of drilling. They can also protect holes and improve drill performance.
Geological exploration: Reaming shells are used to couple the drill bit with the core barrel. They ream the hole to the correct specific diameter, which ensures clearance for the core barrel and new bit.
Machining: Reaming shells can produce both cylindrical and tapered holes. They can be used for precision applications such as tools and dies.
Our Factory
We have more than 15,000 square meters of workshop and we have 850 staff members, with a fully automatic CNC production line, and are committed to providing customers with the best products and services.


Frequently Asked Questions
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Drill Tool Tricone Mining Bits, Rotary Tricone Bit Mining Drilling, Rotary Drill Bits For Mining
