down the hole hammer drilling 1200m

{"cid":"91212258","title":"Various Impact Frequency Air Drilling Down The Hole Hammer And Bit For Drilling Depth 0-1200m Category","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/cd\/27\/d0221fdc782c60ef44249dcd5c66-200x200-1.jpg","attrs":{"Brand Name":"Glorytek","Model Number":"GL-DTH Hammer and Bit","Place of Origin":"China","For Bit Shank":"DHD, SD, Ql, Mission, Numa, Cop, Etc.","Connection":"Standard Types","Size":"3\/4\/5\/6\/8\/10\/12\/18\/22 Inches","Length":"796mm","Warranty":"1 Year","Impact Frequency":"Various","Shank":"DHD, SD, Ql, Mission, Numa, Cop, Etc.","Projects":"Well Drilling And Hard Rock Drilling"}}