 |
Basical Specification | |
Hole Opener Size | 18 inches |
457.2 mm | |
Type | tungsten carbide insert single roller cone |
Cutter Type | 8 1/2’’ 617 |
Cutter Qty. | 6 pcs |
Bearing type | rubber sealed journal bearing |
Thread Connection | 4 1/2 IF pin*box |
Usage | Horizontal directional drilling |
Formation | Medium hard formations with high compressive strength,such as hard shale,sandstone,limestone,dolomite,etc. |
Basical Specification | |
Hole Opener Size | 18 inches |
457.2 mm | |
Type | tungsten carbide insert single roller cone |
Cutter Type | 8 1/2’’ 617 |
Cutter Qty. | 6 pcs |
Bearing type | rubber sealed journal bearing |
Thread Connection | 4 1/2 IF pin*box |
Usage | Horizontal directional drilling |
Formation | Medium hard formations with high compressive strength,such as hard shale,sandstone,limestone,dolomite,etc. |
