7655 rock drill manufacturers wholesale 7655 rock drill Price Mine 7655 rock drill Shaanxi rock drill, Shanxi drilling machine, factory direct price, factory service good 7655D rock drill is in the original 7655 based on the improvement of the low-power drilling machines, at low pressure conditions with good performance, 7655D drilling machine is particularly suitable for a longer pipeline road or small air compressor powered conditions of use, 7655D rock drill is mainly used for mining and tunneling in drilling operations, 7655D drilling machine also railway, water conservancy construction and defense stonework engineering important tool, and FY200B type oiler and FT160A (or FT160B, FT160C) air leg supporting, 7655D drilling machine can be in hard rock hard and wet drilling, drilling horizontal and inclined blast holes; 7655D Air-leg rock drill is also relieved can be mounted on trolley use. Model 7655D Weight 24 kgJ length 668mm Shank Size H22 × 108 +-1mm hole diameter 34-42mm piston diameter 70mm Piston stroke 70mm Pressure 5kg / C ㎡ condition consumption ≤ 52L / S Impact frequency ≥ 31Hz rpm 250r/min Contact: Maguo Jing Contact: 18615651196 landline number :0531-86109500 QQ: 1879692311