Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
| Delivery Time | 15 Days After Payment |
| Packaging Details | Dth Bits Are Packed By Cartons Inner Side, and Outer is Plywooden |
| Material | Alloy Steel |
| carbides | High Quality |
| Application | Water Well, Mining |
| After Service | Available |
| Shank | QL80 |
| Interchangeable Brand | Sandvik,Interchangeable Atlas Copco, Ingersoll-Rand, Halco, Bulroc Etc. |
| Brand Name | TeamWhole |
| Model Number | QL80 Button bit |
| Certification | ISO9001:2008 |
| Place of Origin | Changsha, Hunan, China |
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Product Specification
| Delivery Time | 15 Days After Payment | Packaging Details | Dth Bits Are Packed By Cartons Inner Side, and Outer is Plywooden |
| Material | Alloy Steel | carbides | High Quality |
| Application | Water Well, Mining | After Service | Available |
| Shank | QL80 | Interchangeable Brand | Sandvik,Interchangeable Atlas Copco, Ingersoll-Rand, Halco, Bulroc Etc. |
| Brand Name | TeamWhole | Model Number | QL80 Button bit |
| Certification | ISO9001:2008 | Place of Origin | Changsha, Hunan, China |
| High Light | dth hammer button bits ，top hammer drill bits | ||
QL80-222mm Button Bit DTH Bit For QL80 Hammer With Alloy Steel For Water Well Drilling
Shanks: QL80
| Matched hammer diameter(inch) | Bit diameter | Air Holes | Gauge | Front | Weight/KG | Bit shank | |
| mm | inch | (Qty.×Dia.) | (Qty.×Dia.) | ||||
| 8” | 203 | 8 | 3 | 9*18 | 6*18+4*16 | 46 | DHD380/SD8/QL80 /Mission80 |
| 216 | 8 1/2 | 3 | 10*18 | 6*18+7*16 | 50 | ||
| 254 | 10 | 3 | 10*18 | 6*18+9*16 | 60 | ||
| 305 | 12 | 3 | 12*18 | 12*18+12*16 | 82 | ||
Bit Face Shape Selection:
1. Flat Face
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
2. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.
3. Concave Face
The all-around application bit face specifically for medium hard and homogeneous rock formations.
| Certifications |
Company Details
Business Type:
Manufacturer
Year Established:
2002
Total Annual:
10Million-50Million
Employee Number:
201~300
Ecer Certification：
Active Member
Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a professional geotechnical drilling tools manufacturer since 2002. We’re located in Jinzhou New District,Ningxiang County, Changsha,Hunan province.Our main products include DTH (down-the-hole) hammers and bits with capacity of drillin... Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a professional geotechnical drilling tools manufacturer since 2002. We’re located in Jinzhou New District,Ningxiang County, Changsha,Hunan province.Our main products include DTH (down-the-hole) hammers and bits with capacity of drillin...
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