Min. Order Reference FOB Price
1 Piece US$20.00-100.00 / Piece
Product Description
Advantages: HJG(BD DRILL) High Air Pressure Deep Hole Rotary Pneumatic Drilling DTH hammer without foot valve for COP MISSION DHD QL SD. The optimum range of hole size for blast hole drilling with DTH is 90 mm to 254 mm (3 ½"-10″). Smaller blast holes are generally drilled using ...