Combination Drilling Bit Rock Mining Drill Tool For Well Drilling
♥Bit cones are spited from tricone bits and welded to build a new bit
♥The advantage of this series of bits is that it can be manufactured as customer's special well diameter order in dealing special drilling
Assembly Drill Bit
♥5 only set of gear cone welding and incidental center drill casing,which could be connected to a center cone bit or PDC bit
♥Suitable for building Bridges,bridge pier drilling
♥Soft to hard strata can be used
Type | Hard Octagonal Drilling Bit |
Application | Machinery Repair Shops, Construction works , Energy & Mining |
Machinery | drilling tools |
| Basical Specification | |
| Hole Opener Size | 44 inches |
| 1117.6 mm | |
| Cutter Type | For 12 1/4" tricone,IADC537 |
| Cutter Qty. | 8 |
| Thread Connection | 6 5/8 API REG pin & box |
| Formation | Soft to medium and medium hardness rocks, like limenstone,sandstone, etc. |
