我们的产品

名称: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

产品描述

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. 

BIG SIZE DTH HAMMER

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