Showing 1–12 of 74 results
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BIT 38 MM SR28(R28) for drifting ,tunneling and stone quarrying
Made from high alloy steel and tungsten carbide as same grade as internationally well-known brand
Apply “hot (thermal) -insertion” processing procedure to insert the buttons as same as internationally well-known brand
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durabilityFast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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BIT 43 MM R32 Drilling accesories for tunneling
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity，Excellent straightness and hole clean quality, Get max.drilling performance for rock drill with long life to save up fuel cost rate.
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BIT 45 MM SR35 (R32) Drilling accesories for tunneling
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity，Excellent straightness and hole clean quality, Get max.drilling performance for rock drill with long life to save up fuel cost rate.
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BIT 64 MM T38 RC for long-hole drilling underground.
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity，Excellent straightness and hole clean quality, Get max.drilling performance for rock drill with long life to save up fuel cost rate.
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DOME BIT 102MM SR35(R32) Drilling accesories for tunneling
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
A reaming bit functions to enlarge a borehole and it is designed with a drill portion and a reamer portion. The drill portion is formed by cutting edges at the end of a plurality of flutes, and the reamer portion includes pilot adapter a first relief formed on each flute surface disposed at a predetermined angle with respect to the flute surface to form a first reamer cutting edge.
Reaming ring of reaming tools, a second relief is formed contiguous with the first face on each reamer portion and is disposed at a second angle, less than the first angle with respect to the flute surface.
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Dome bit R32-102mm
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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Integral Reaming Bit R32-102mm for Bench Drilling Long Hole Drilling Underground
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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Integral Reaming Button Bit T38-76mm.
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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Integral reaming drill bit R25 29-76mm
- Entire CNC processing procedure ensure the quality consistency:
- Military grade requirements of heat-treatment guarantee durability Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.:
- Gauge：8
- Front：7
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Integral reaming drill bit R32 67mm-102mm
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durabilityFast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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Integral reaming drill bit R32 Q16-102mm
Entire CNC processing procedure ensure the quality consistency: Military grade requirements of heat-treatment guarantee durability Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
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Integral reaming drill bit R32-41-102mm
- Entire CNC processing procedure ensure the quality consistency: Military grade requirements of heat-treatment guarantee durability Fast penetration rates, and straight and clean hole quality. Long life of drilling holes:
- Gauge：8
- Front：7