Our production
| Name: | BIG SIZE DTH HAMMER |
|---|---|
| Model: | KD275A |
| Length without bit: | 2626mm |
| Weight without bit: | 650kg |
| Out Diameter: | Φ275mm |
| Bit Shank: | NUMA125 |
| Hole Range: | Φ305-445mm |
| Connection Thread: | API 6 ⅝ “Reg API 7 ⅝ “Reg |
| Working Pressure: | 18-30Bar |
| Impact Rate at 17Bar: | 20HZ |
| Recommended rotation speed: | 20-35r/min |
| Air consumption at 10Bar: | 28m³/min |
| Air consumption at 18Bar: | 50m³/min |
| Air consumption at 24Bar: | 71m³/min |
Products Description
Adopting advanced production technology and strict testing procedure, our factory self-designed and manufactured the big size high air pressure DTH hammer and bit based on the characteristics of wells, oil. gas and construction drilling.
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