| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Our drilling tools offer a wide range of features and benefits that cater to the reading habits of English-speaking natives. With reliable quality and a long service life, our DHD, COP, MISSION, QL, SD, and MACH shanks ensure rare abnormal breakage during their service life. Additionally, our tools provide a good flushing effect, guaranteeing a high drilling rate. We also have strict quality warranty and compensation rules in place to ensure customer satisfaction.
Our bit face shapes are designed to meet various drilling needs:
Our drilling tools are suitable for all kinds of rock formations and are known for their high penetration rates. With reasonable designs and exceptional performance, our tools ensure efficient and reliable drilling operations.
| Raw Material |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents a top-quality steel and carbide product that is perfect for various applications.
Our first-class special alloy steel is designed with exceptional strength, heat resistance, and durability. It is specifically engineered to withstand high temperatures and wear, making it ideal for demanding tasks.
Our product features the best tungsten carbides sourced from China, ensuring superior performance and reliability. These carbides are widely used and trusted for their exceptional hardness and wear resistance. Additionally, we also offer tungsten carbide options from Europe, providing you with a diverse range of choices.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-quality steel and carbide products that meet your needs. Experience the difference in performance and durability with our top-notch materials.
| 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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