| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. proudly presents a diverse array of expertly crafted bit face shapes, each designed to masterfully navigate through various rock formations and drilling scenarios:
An exceptional choice for achieving rapid penetration in soft to medium hard and fractured rock formations. This bit shines at low to medium air pressures, skillfully maintaining hole deviation for precise and accurate drilling.
Engineered for versatile and adaptable performance in medium hard and well-structured rock formations, the concave face bit offers superior hole deviation control and exceptional flushing efficiency.
Designed to excel with remarkable penetration rates in soft to medium-hard terrains, the convex face bit is optimized for low to medium air pressures. It offers remarkable resistance to steel wash and reduces wear on gauge buttons, albeit with some limitations in hole deviation control.
The flat face bit is engineered for exceptional performance in hard to extremely hard and abrasive rock formations under high air pressures, ensuring impressive penetration rates and resistance to steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that guarantee superb performance and enduring durability.
| Raw Material |
Introducing our superior steel and carbide products, masterfully crafted to accommodate a wide array of applications with unparalleled quality and precision.
Our premium special alloy steel is engineered for extraordinary strength, heat resistance, and durability. Tailored for the most demanding environments, it offers reliable performance and lasting resilience.
Experience the superior quality of our products featuring top-grade tungsten carbides sourced from China, renowned for their exceptional hardness and reliability. Additionally, our selection includes tungsten carbide from Europe, offering varied options to perfectly suit your specific requirements.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium steel and carbide products tailored to meet the discerning standards of English-speaking professionals. Discover the unparalleled performance and dependability inherent in our top-quality 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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