Description The pilot bit is attached to any common DTH hammer shank or top hammer rod thread. The casing shoe is welded to the casing. The pilot bit and ring bit are locked together by the bayonet coupling. ... Read More
Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill ... Read More
Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment of ... Read More
Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment of ... Read More
Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment of ... Read More
Description The drill pipe produced by our company is made of high-end technology. The steel of drill pipe body and joint is selected with high quality materials. Meanwhile, metallurgical technology is strictly ... Read More
Description The drill pipe produced by our company is made of high-end technology. The steel of drill pipe body and joint is selected with high quality materials. Meanwhile, metallurgical technology is strictly ... Read More
Description new diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ranging from drilling rig and equipment capabilities to worksite ... Read More
Description new diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ranging from drilling rig and equipment capabilities to worksite ... Read More
Description new diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ranging from drilling rig and equipment capabilities to worksite ... Read More