| After-sales Service: | Available |
|---|---|
| Warranty: | One Year |
| Certification: | ISO 9001:2015 |
| Standard: | GB |
| Surface Treatment: | Spray-Paint |
| Manufacturing Process: | Forging |
| Customization: |
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Audited Supplier | General Introduction |
Changsha Tianhe Drilling Teamwhole specializes in producing a wide range of TH bits, ranging from 3"-47" (76mm-1200mm) in diameter. Our DTH bits are compatible with all international brands such as BR, MACH, DHD, COP, IR, NUMA, SD, QL, MISSION, and more.
Our DTH bits are made from high-quality alloy steel and undergo advanced heat treatment, ensuring reliable quality and a long service life. They are available in various face shapes including concave, flat, drop center, and convex.
| Raw Material |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents the QL80-203mm Bit, a top-quality drilling tool designed to meet the needs of professionals in the industry.
Our QL80-203mm Bit is crafted from first-class special alloy steel, ensuring exceptional strength, heat resistance, and wear resistance. This high-quality steel guarantees durability and longevity, making it a reliable choice for any drilling project.
For optimal performance, we utilize the best tungsten carbides available. Our QL80-203mm Bit incorporates top-grade tungsten carbides sourced from China, renowned for their exceptional quality and reliability. Additionally, we also offer tungsten carbides from Europe, providing our customers with a wider range of options to suit their specific requirements.
Below are the specifications of the TEAMWHOLE QL80-203mm Bit:
Choose the TEAMWHOLE QL80-203mm Bit for superior drilling performance. With its high-quality steel construction and top-grade tungsten carbides, this bit ensures efficient and reliable drilling in various applications. Trust Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for all your drilling tool needs.
| DTH BIT model | QL80-240mm bit | ||||
| Diameter | No*Butotn diameter,mm | Flushing holes | Weight | ||
| mm | Inch | Gauge buttons | Front buttons | ||
| 203 | 8 | 12*19MM | 20*18MM | 2 | 60 |
Introducing the QL60-Ql80 Rock Drill Bit by Changsha Tianhe Drilling Tools and Machinery Co., Ltd. This high-quality drill bit is designed for mining drilling and is suitable for water well drilling as well. It is an essential tool for rock drilling and mining rigs. Get your hands on this durable and efficient drilling equipment today!
| Model | Working pressure | Thread Type | Outer diameter |
| Teamwhole QL80 | 10 bar ~ 24 Bar | API 4 1/2"Reg Pin | 185mm |
Discover our range of DTH bits in different sizes, including the QL60-Ql80 rock drill bit. Perfect for mining drilling, these high-quality bits from Changsha Tianhe Drilling Tools and Machinery Co., Ltd. are designed to deliver exceptional performance and durability. Enhance your drilling operations with our reliable and efficient mining drill bits.
Matched DTH Hammer inch |
Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank | ||
| mm | inch | Gauge | Front | pcs | kg | ||
| 2" | 70mm | 2 3/4" | 6*10mm | 4*8mm | 2 | 3 | BR2 |
| 76mm | 3" | 6*12mm | 5*10mm | 2 | 3.6 | ||
| 3" | 95mm | 3 3/4" | 6*14mm | 4*13mm | 2 | 4.5 | BR3,BR33,COP32 |
| 102mm | 4" | 6*14mm | 5*13mm | 2 | 5.9 | ||
| 3.5" | 90mm | 3.5" | 6*14mm | 4*13mm | 2 | 4.9 | DHD3.5 |
| 102mm | 4" | 6*14mm | 5*13mm | 2 | 5.9 | ||
| 4" | 105mm | 4 1/8" | 7*14mm | 6*13mm | 2 | 8 | DHD340,COP44 QL40,M40,SD4 |
| 130mm | 5" | 8*14mm | 7*14mm | 2 | 10 | ||
| 5" | 140mm | 5.5" | 7*18mm | 7*14mm | 2 | 15.5 | DHD350,QL50,SD5 M50 |
| 152mm | 6" | 8*18mm | 8*14mm | 2 | 16.5 | ||
| 6" | 165mm | 6 1/2" | 8*18mm | 8*16mm | 2 | 24.5 | DHD360,SD6,QL60 M60 |
| 171mm | 6 3/4" | 8*18mm | 4*18mm+4*16mm | 2 | 25 | ||
| 8" | 203mm | 8" | 9*18mm | 6*18mm+4*16mm | 3 | 46 | DHD380,SD8,QL80 M80 |
| 254mm | 10" | 10*18mm | 6*18mm+9*16mm | 3 | 60 | ||
| 10" | 254mm | 10" | 14*18mm | 12*18mm+9*16mm | 3 | 90 | TH10,SD10,NUMA100 |
| 305mm | 12" | 14*18mm | 14*18mm+11*16mm | 3 | 120 | ||
| 12" | 350mm | 13 3/4" | 15*19mm | 24*19mm+15*16mm | 3 | 190 | DHD112,SD12, NUMA120,NUMA125 |
| 400mm | 15 3/4" | 30*19mm | 18*19mm+22*16mm | 3 | 230 | ||
| 14" | 430mm | 17" | 30*20mm | 18*19mm+25*16mm | 3 | 245 | TK14,NUMA125 |
| 560mm | 22" | 36*20mm | 60*19mm | 3 | 300 | ||
| 18" | 550mm | 21 5/8" | 48*19mm | 90*18mm | 6 | 560 | TK18,NUMA180 |
| 700mm | 27.5" | 48*20mm | 60*19mm+73*18mm | 6 | 740 | ||
| 24"" | 780mm | 30 3/4" | 54*20mm | 66*20mm+90*18mm | 6 | 1265 | TK24,NUMA240 |
| 1000mm | 39" | 78*20mm | 154*18mm | 6 | 1500 | ||
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers the QL60-Ql80 Rock Drill Bit for various drilling applications, including water well drilling, geothermal hole drilling, and hole blasting. This high-quality drill bit is a reliable choice for mining drilling and is designed to deliver exceptional performance. Trust our mining drill tool to provide efficient and effective results in your drilling projects.
| Package |
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