Zhuzhou Jinxin Cemented Carbide Co., Ltd.
Zhuzhou Jinxin Cemented Carbide Co., Ltd. has been Established 25 years, focusing on the development and production of button bits.
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Zhuzhou Series of DTH drill bits down the hole for rock drilling tools
| Product Name: | DTH Drilling Hammers And Button Bits With Long Service Life | |||||
| Description: |
dth drilling hammers and button bits |
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| Quality level: | 95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand | |||||
| MOQ: | No requirement for testing and trial order | |||||
| Series: | COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc | |||||
| Specification: | Weight (kg) | External Diameter (mm) | Connection thread | Hole rang (mm) | Impact rate | Recommended rotation speed |
| Low air pressure DTH hammer CIR type | 5 ~22 | 50~180 | CIR** | 55~200 | 820 rpm | |
| Middle air pressure BR & COP type | 10~30 | 70~110 | 85~115 | |||
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3 inch DTH hammer |
24.5 | 81 | API 2 3/8” Reg | 90~110 | 28Hz (at 17 bar) | 28 r/min |
|
4 inch DTH hammer |
39.2 | 99 | API 2 3/8” Reg | 110~150 | 27Hz (at 17 bar) | 25~40 r/min |
|
5 inch DTH hammer |
71.5 | 125 | API 2 3/8” or API 3 1/2” Reg | 135~165 | 25Hz (at 17 bar) | 20~30 r/min |
|
6 inch DTH hammer |
98 | 142 | API 3 1/2” Reg | 152~216 | 23Hz (at 17 bar) | 15~25 r/min |
|
8 inch DTH hammer |
188 | 180 | API 4 1/2” Reg | 203~305 | 20Hz (at 17 bar) | 15~20 r/m |
Advantages
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
About us
Our company adheres to the high-tech talents, advanced technology and equipment, strong supply capacity, fast delivery guarantee and stable product quality to meet the needs of global customers, establish a Chinese national brand of hard alloys, and let “made in Zhuzhou” famous all over the world.