Inch Carbide Tipped Large Hole Core Bits

mining hard rock drilling bits tungsten carbide large hole core drill bit

FOB Reference Price:Get Latest Price
US $5-30 / Pieces | 5 Piece/Pieces drill bit (Min. Order)
Breaking, Concrete, Cutting, Mansonry, Masonry, Surface Removal, Surface Roughing
Product options :
20 available Select options↓
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Packaging & Delivery
Packaging Details
in wooden box wrapped by waterproof paper each. The package is available based on customers' requirements.
Lead Time :
2 weeks once confirmed the order

mining hard rock drilling bits tungsten carbide tapered drill bit

mining hard rock drilling bits tungsten carbide tapered drill bit




1. Suitable for medium to medium hard formation of high Crushing Resistance (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.

4. Cone gage surface is reinforce with carbide compacts.

5. Partial top spoon shaped inner row of teeth, the wedge outer row of teeth is not equidistant teeth, in the back cone tooth and the outer row of teeth between adds a row of trimming gear.

6. High compressive strength, hard and abrasive high formation, such as limestone, dolomite, sandstone, chert and other.

7. Bit size and buttons can be customized.







Relying on the advantages of Zhuzhou and Zigong Hard Alloy Production Bases, the company integrates the production, R&D, technical service and sale of hard alloy products, and is devoted to producing hard alloy products and developing hard alloy precision parts.





All of our tungsten Carbide Products are made from the high-purity Original/Virgin Raw Materials and HIP/Sintered, with very high quality and excellent performances. Also the price is very competitive. 

If you have any question for the payment,Please let us know.