| 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 DTH bits with diameters ranging from 3" to 47" (76mm-1200mm). Our DTH bits are compatible with 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. We offer various bit face shapes including concave, flat, drop center, and convex to cater to different drilling needs.
| Raw Material |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents the QL80-203mm Bit, a high-quality drilling tool designed to meet the needs of professionals in the industry.
The QL80-203mm Bit is made from first-class special alloy steel, ensuring exceptional strength, heat resistance, and durability. This high-quality steel construction guarantees reliable performance even in demanding drilling conditions.
Our QL80-203mm Bit utilizes the best tungsten carbides sourced from China, known for their superior quality and performance. Additionally, we also offer tungsten carbide options from Europe, providing our customers with a wide range of choices to suit their specific requirements.
Below are the detailed specifications of the TEAMWHOLE QL80-203mm Bit:
With these specifications, the QL80-203mm Bit is designed to deliver efficient and precise drilling results, making it an ideal choice for professionals in the drilling industry.
| 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 |
Discover the QL80 Concave Bit, a high-quality drilling tool designed for water well drilling and mining applications. Made by Changsha Tianhe Drilling Tools and Machinery Co., Ltd., this DTH hammer bit is a reliable choice for your drilling needs. Trust our expertise as a leading drilling equipment supplier. Enhance your drilling rig with this rock drill bit and experience efficient and effective drilling. Choose the QL80 Concave Bit for your water well drilling and mining projects.
| Model | Working pressure | Thread Type | Outer diameter |
| Teamwhole QL80 | 10 bar ~ 24 Bar | API 4 1/2"Reg Pin | 185mm |
Discover our high-quality QL80 Concave Bit, designed for efficient water well drilling. Perfect for mining drilling equipment, this DTH hammer bit is a reliable choice. Trust our drilling equipment supplier for rock drill bits and drilling rig accessories. Enhance your water well drilling with our durable and efficient concave bit. Choose us as your drilling tool supplier for exceptional water well drilling rigs and mining drilling tools. Get the best concave bit for mining and water well drilling equipment. Contact us for top-notch drilling tool services.
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 QL80 Concave Bit, a high-quality drilling tool suitable for water well drilling, geothermal hole drilling, hole blasting, and more. Trust our reliable drilling equipment for efficient and effective results.
| Package |
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