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.
Add to Cart
Zhuzhou DTH drill bit High air pressure well drilling rock button bits
Product Description
1. Long life span: the wear-resist of carbides is 10-20 times higher compared with other similar materials, which greatly extends the life of the drill bits;
2. High drilling efficiency: the high grade hardness of the carbides can always stay sharp, which could increase the drilling speeds too;
3. It can greatly reduce the drilling cost, because of its high drilling speed and life span, which reduces the times to changes bits in the drilling service.
| Product Name: | DTH Drilling Hammers And Button Bits With Long Service Life | |||||
| Description: |
dth drilling hammers and button bits |
|||||
| 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 | |||
|
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