Sollroc HBR3 DTH Drill Hammer

HBR3 82mm DTH Drill Hammer, low working pressure DTH Hammer Item:HBR3 DTH Hammer Hammer Od: 82mm Weight:26kg Top sub thread:API 2 3 8" Working pressure:0.7-1.75Mpa Advantages: 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory. 2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted. 3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer. 4. Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer. 5. Interchangeable with DTH bit and drill pipe