| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. proudly presents an extensive selection of premium button bits perfectly engineered for mining drilling applications. Our superior DTH rock drill bits, DHD drill bits, SD drill bits, Mission drill bits, QL drill bits, Mach drill bits, BR drill bits, and Numa drill bits stand as the epitome of quality for blasting hole drilling, water well drilling, among other uses. As a venerated supplier of top-tier drilling equipment and rock drilling tools, we are committed to delivering unparalleled product excellence to fulfill your drilling needs. Opt for us as your steadfast DTH bit manufacturer and distinguished rock drill bit supplier—take the first step towards excellence by contacting us today!
Perfectly engineered for high penetration rates in soft to medium hard rock formations that feature fissures. This bit excels under low to medium air pressures, ensuring exceptional control over hole deviation. Experience reliable performance in varied conditions.
Meticulously crafted for diverse applications across medium hard and homogeneous rock formations. It offers superb control over hole deviation and boasts an excellent flushing capacity, making it a versatile choice for numerous drilling scenarios.
Designed to achieve impressive penetration rates in soft to medium-hard formations under low to medium air pressures. This face type is resistant to steel wash, minimizing load and wear on gauge buttons, though it may exhibit limited hole deviation control.
Ideal for tackling hard to extremely hard and abrasive rock formations using high air pressures. It delivers commendable penetration rates and is highly resistant to steel wash, ensuring durability and efficiency.
For more information, please visit Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
| Raw Material |
Discover unparalleled performance and reliability with our premium-grade steel and carbide products. Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is dedicated to providing a diverse array of exceptional materials, ideal for a multitude of applications.
Our state-of-the-art special alloy steel is crafted to perform under the most daunting conditions. With unmatched strength, heat resistance, and durability, our steel promises unwavering performance and longevity.
Select from our premium tungsten carbides, sourced from China and renowned for their superlative quality and dependability. Widely embraced across various industries for their extraordinary hardness and wear resistance, our carbides also include options from Europe, affording customers a broader selection to meet specific requirements.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for steel and carbide products of unmatched quality, specifically designed to cater to the demands of English-speaking clients. Trust our superior materials to provide exceptional performance and reliability in every application.
| Model | Bit diameter mm(inch) | Weight |
| TH79(3.5inch) | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD3.5 | 90mm-105mm(3 1/2-4 1/8) | 4.5-5.5 |
| BR33 | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD340 | 105mm-138mm(4 1/10-5 2/5) | 8-12 |
| QL40 | 110mm-133mm(4 3/8-5 1/4) | 10-12 |
| DHD350 | 135mm-165mm(5 3/10-6 1/2) | 15.2-18 |
| MISSION50 | 138mm-165mm(5 2/5-6) | 16-18 |
| QL50 | 138mm-152mm(5 2/5-6) | 16-18 |
| SD5 | 138mm-152mm(5 2/5-6) | 16-18 |
| MAHC50TS398(20inch) | 138mm-152mm(5 2/5-6) | 16-18 |
| DHD360 | 152mm-203mm(6-8) | 24-33 |
| MISSION60 | 152mm-203mm(6-8) | 21-30 |
| SD6 | 152mm-254mm(6-10) | 24-50 |
| QL60(COP64G) | 152mm-203mm(6-8) | 24-33 |
| XL60 | 152mm-190mm(6-7 1/2) | 22-27 |
| DHD380 | 200mm-305mm(7 7/8-12) | 47-82 |
| SD8 | 200mm-305mm(7 7/8-12) | 47-82 |
| QL80 | 200mm-305mm(7 7/8-12) | 48-84 |
| TH220 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| NUMA100 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| SD10 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| DHD112 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| SD12 | 310mm-444.5mm(12 1/5-17 1/2) | 142-254 |
| NUMA120 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| TH398(20inch) | 500mm-550mm(19 3/5-21 3/5) | 480-510 |
| TH600(32inch) | 800mm-1000mm(31 2/5-39 3/10) | 680-984 |
| Package |
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