Products Description LEANOMS

Carbide DTH (Down-The-Hole) button bits are specialized drilling tools used in mining, construction, and exploration industries. DTH drilling involves the use of compressed air or other suitable fluids to drive the bit and efficiently break rock formations during drilling operations. Carbide DTH button bits are designed to withstand the high impact and abrasion encountered in demanding drilling applications.
Here are some key features and characteristics of Carbide DTH button bits:
Carbide Inserts: Carbide button bits are typically equipped with hard and durable tungsten carbide inserts on the bit's working surfaces. These inserts provide excellent wear resistance and cutting ability, allowing for efficient drilling in various rock formations.
Button Configuration: The button bits have a specific configuration of carbide buttons or inserts on their face. The buttons are strategically positioned to optimize the drilling performance, including penetration rate and stability. Common button configurations include spherical, ballistic, and parabolic shapes.
Impact Resistance: Carbide DTH button bits are designed to withstand the high-impact forces generated during drilling. The carbide inserts are resistant to fracturing or chipping, ensuring the bit's longevity and continuous drilling performance.
Tapered Design: The DTH button bits typically have a tapered design, allowing for easier insertion into the drill string. The tapered shape also helps in achieving straighter boreholes during drilling operations.
Different Bit Sizes and Designs: Carbide DTH button bits come in various sizes to accommodate different drilling requirements. The sizes range from smaller bits used for exploration and geotechnical drilling to larger bits employed in mining and construction applications. The design of the bit, including the number and arrangement of carbide buttons, may vary depending on the specific drilling conditions and desired drilling performance.
Compatibility: Carbide DTH button bits are designed to be compatible with DTH drilling systems, which include the drill rig, hammer, and drilling pipes. They can be easily attached to the hammer and connected to the drill string for efficient drilling operations.
Carbide DTH button bits are known for their durability, high drilling performance, and versatility in various challenging drilling applications. Their wear-resistant carbide inserts and specialized button configurations make them suitable for efficient drilling in hard rock formations, making them a preferred choice for many drilling professionals.
Caring for carbide DTH (Down-the-Hole) button bits is crucial to ensure their longevity and optimal performance. Here are some guidelines for their care:
Proper Handling: Handle carbide DTH button bits with care to avoid any unnecessary impacts or mishandling that could lead to damage. Avoid dropping or banging them against hard surfaces.
Cleaning: After each use, clean the button bits thoroughly to remove any drilling residue or debris. Use a soft brush or compressed air to clean the external surfaces and ensure that the carbide buttons are free from any obstructions.
Inspection: Regularly inspect the button bits for signs of wear, damage, or dullness. Check the carbide buttons for any chipping or breakage. If any issues are found, replace the affected button bits promptly.
Storage: Proper storage is essential to prevent damage and maintain the quality of carbide DTH button bits. Store them in a clean, dry, and well-ventilated area to protect them from moisture and corrosive substances. Ensure that they are stored in a way that avoids excessive pressure on the carbide buttons.
Lubrication: Apply a thin layer of lubricant or rust inhibitor to the button bits before storage to protect them from rust or corrosion. Follow the manufacturer's recommendations for suitable lubricants or rust inhibitors.
Rotation: Rotate the button bits regularly to ensure even wear on all carbide buttons. This practice helps extend the overall lifespan of the button bits and ensures balanced performance during drilling operations.
Proper Usage: Use the carbide DTH button bits within their recommended operational parameters, including drilling pressure, rotation speed, and flushing rate. Excessive force or inappropriate drilling techniques can lead to accelerated wear and reduced lifespan of the button bits.
Sharpening or Replacement: When the carbide buttons become dull or excessively worn, follow the manufacturer's guidelines for sharpening or replacing them. It is important to use the appropriate tools and techniques to maintain the integrity and performance of the button bits.
Training and Expert Advice: Ensure that personnel handling carbide DTH button bits are properly trained in their care and maintenance. Seek advice from experienced professionals or manufacturers for specific recommendations on caring for your button bits.
By following these care guidelines, you can maximize the lifespan and performance of carbide DTH button bits, allowing for efficient and cost-effective drilling operations.
Specification LEANOMS
Technical Parameters Of Mission80 DTH Bits
| Diameter | Gauge Buttons (mm) |
Front Buttons(mm) | Weight(KG) | Part Number | ||||
| mm | Inch | Flat Face | Convex Face | Concave Face | Face Type | |||
| 203 | 8 | Φ18*10 | Φ18*8 | / | Φ16*5 | Concave Face | 41.1 | LR-M80-203CC |
| 216 | 8 1/2 | Φ18*10 | Φ18*8 | / | Φ16*6 | Concave Face | 45.3 | LR-M80-216CC |
| 219 | 8 5/8 | Φ18*10 | Φ18*8 | / | Φ16*6 | Concave Face | 45.8 | LR-M80-219CC |
| 229 | 9 | Φ18*12 | Φ16*12 | / | Φ16*7 | Concave Face | 47.4 | LR-M80-229CC |
| 235 | 9 1/4 | Φ18*12 | Φ16*12 | / | Φ16*7 | Concave Face | 48.4 | LR-M80-235CC |
| 245 | 9 5/8 | Φ19*12 | Φ16*12 | / | Φ16*8 | Concave Face | 52.5 | LR-M80-245CC |









