JDL-350 mud/air drilling well machine rock drill water well drilling rig 350 m depth
- Horsepower: 78 hp
- Machine weight: 6,500 kg
Main technical data of water well drilling machineQ: Whafs your warranty period? A: 12 months from winches accepted.
Shanghai, China
251mm Roller Cone Bit Replaceable Block For Hard Rocks Drilling HDD Rock Reamers
- Manufacturer: Hebei Solidkey petroleum machinery co;ltd
Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc.
Cangzhou, China8 1/2 Inches PDC Drill Bit M137 for Very Hard Rocks Drilling
- Manufacturer: Hebei Solidkey petroleum machinery co;ltd
Medium-hard to hard formations with lowcompressive strength , such as hard shale, limestone, sandstone, dolomite, hard gypsum,marble, etc.
Cangzhou, China
KM311 rock support bolter / bolting rig
- Manufacturer: ROCA
KM311 rock bolter, a fully mechanized bolting rig optimized for 5m x 5m size headings Roof support bolting and meshing. Engineered to install the most common fastening rock bolt types in roof profiles stabilizin...
Shanghai, China
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