|Length without bit:||Full manual operation|
|Weight without bit:||32KG|
|Connection Thread:||API 2⅜|
|Impact rate at 0.5Mpa:||14HZ|
|Recommended rotation speed:||25-40r/min|
DTH Hammer CIR Series is an ideal drilling tool that widely used in the industries of energy,transportation,metallurgy,building etc.
1.The strong energy of single impact and the low energy consumption in rock crushing;
2.The weight ratio of Piston and Bit almost Reaches 1:1 to provide long effective acting time, which leads to the improved efficiency in rock crushing and the extended service life of the drilling tool;
3. A good performance in central air exhaust and cuttings discharge, which reduces the repeated crushing of rock;
4.A check vlave device is available to drill holes finder water.