3" 2" R32 Spherical Button Bits Rock Drilling Cnc Tunneling
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3" 2" R32 Spherical CNC Tunneling Drill Bits Button Rock Drill Bit
Description This type of bit is a high speed drilling bit for soft to medium rock formations (between 50 Mpa to 150 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
Applications • Underground mining
Competitive Advantage 1, Adopts superior raw material to produce; 2, Have rich manufacture experience and strict quality control system 3. Long service life 4. We supply standard size thread button bits and retract button bits. 5. We also supply customized button bits.
Specification
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