ZGF-100 Pneumatic DTH Drilling Product Features: It is a highly adaptable DTH drilling, simple structure, easy operation, low cost, energy-saving, but also has vertical and horizontal drilling blasting holes function, especially The aircraft center of gravity low dismountability good, so transportation is very convenient relocation. Technical parameters: Model mm hole diameter drilling depth m suitable rock hardness impactor type mm Pressure Mpa air consumption m3 / min speed r / min m length of time to promote maximum lifting force kg ZGF-100 Pneumatic 83-130 ≤25 f = 6-2080-110 0.5-0.7 9-12110-1601 9.6