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Description
Mining Bit DBP-28-3-M14 is specially used for the hard rock drilling in mining industry. Three blade wings have improved the stability of anchor drill bit and strengthened the boring diameter protection effect. The service life is 2-3 times longer than the bits with two wings. Strengthened PDC blade with a better wear resistance, is the ideal drilling tools for drilling work in the hard rock formation in the mining and tunneling industry.
Features
Specially for hard rock drilling
Strengthened PDC blade
Forged drill bit body to improve strength
Diameter 28mm
Various screw size 1/2'M12, M14*1.5, M16*2
Good wear resistance
Specification
1. Diameter: 28mm
2. Cutting Wings Shape: PDC
3. Bit Quantity: 3
4. Height of Drill Bit: 50-65
5. Water Hole Quantity: 1-3
6. Water Hole Diameter: 4-6mm
7. Screw Size: 1/2'M12, M14*1.5, M16*2
8. Drill Bit hard rock drilling
Application
Applying to the drilling into hard rock in anchor-net work supporting in coal mine, transportation, water and electricity engineering and so on.


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Keywords:Coal Drill Bit
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