Drilling hole from 165 to 190mm DHD360 COP64 D65 6 inch Hammers For mining and construction FEATURES MIROC offers one of the most complete lines of down the hole drills and downhole bits ranging from 3.5 36 ... Read More
Guide Diameter 80- 445mm DTH Hole Opener For Water Conservancy Product Description Hole opener bits are designed specifically for this purpose, which is an effective way of enlarging holes, hence the bits named ... Read More
