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 durability

Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.

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.

BIT 64 MM T38 RG 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.

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.

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.

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.

Integral reaming drill bit R25 29-102mm

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

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

Integral reaming drill bit R32 67mm-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.

Integral reaming drill bit T51-102mm-152mm

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.

Q10-76-T38 Threaded Button Bit Drop Center

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 drills with long life to save up fuel cost rate.

Q10-76-T38-RC Threaded Button Bit

Code No.: Q10-76-T38-ST
Thread: T38
Diameter: 76mm
Gauge Buttons: 6*13mm
Front Buttons: 4*11mm
Skirt Design: Straightrac
Face Design: Drop Center
Carbide Design: Dome
Weight: 3KGS