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 |
| Application | Mining and water well drilling |
| Bit face | Center drop/Flat/convex/concave/double gauge face bits |
| Brand Name | Teamwhole |
| Model Number | DHD/COP/MISSION/QL/DHD/SD/IR/BR/CIR |
| 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 | Application | Mining and water well drilling |
| Bit face | Center drop/Flat/convex/concave/double gauge face bits | Brand Name | Teamwhole |
| Model Number | DHD/COP/MISSION/QL/DHD/SD/IR/BR/CIR | Certification | ISO9001:2008 |
| Place of Origin | Changsha, Hunan, China | ||
| High Light | top hammer drill bits ，drilling rig bits | ||
Mission50-140mm (5.5 inch) Button Bit
Main specification: 3”,4”,5”,6”,8”,10”,12”,18”,32”
Match to bits with COP,DHD,SD,MISSION,QL,Numa shank
| Matched hammer diameter(inch) | Bit diameter | Air Holes | Gauge | Front | Weight/KG | Bit shank | |
| mm | inch | (Qty.×Dia.) | (Qty.×Dia.) | ||||
| 5” | 140 | 5 1/2 | 2 | 7*18 | 7*14 | 15.5 | DHD350/SD5/QL50 /Mission50 |
Different Buttons Shapes:
1. Dome / Round button
Used as gauge buttons of DTH bits, suitable for very abrasive and very hard rock formation.
2.Parabolic / Semi-ballistic
Used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard rock formations.
3. Ballistic button
Used front buttons of DTH bits, suitable for medium abrasive and medium hard formations. Also be used as gauge buttons for soft rock.
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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