| Customization: | Available |
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| Customized: | Customized |
| Standard: | API |
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HDD Rock Reamer ( Hole Ppener ) mainly consists of four or more roller cones. Cutting Structure with premium tungsten carbide hard facing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of rock reamer. Hole opener with interchangeable cutters.
Opener Large-diameter assembled bit is widely used in construction, bridge, highway and railway construction. This series of bits are suitable to various kinds of strata including shale, limestone, cobblestone, dolomite and conglomerate.
1. Suitable for medium to medium hard formation of high Crushing Resistanc
(hard shale,sands,etc.)
2. Bit bearing is non-sealed roller bearing.
3. Hardfacing is applied on the shirttail,and carbide inserts for gage protection
are pressed into the head OD.
| Cutting Structure | The reamer always have multi-cones. Bit cones are splited from tricone bits and welded to build a new big diameter bit. The pilot is three cone bit. |
| Product Application | Bigger diameter for piling in construction field, bridge construction, super highway construction, railway construction etc. This kind of bits are suitable for different complex formation, shales, limestone, cobblestone, dolomite, chert, etc. |
| Main Type Available | Regular Bit Diameters: 28 ",32",36",38", etc, and any diameters can be customized, maximum dia |
1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.
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