12 Degree Broca 38mm 8 Buttons Rock Drilling Bits For Mining Drilling Blasting

11 Degree Broca 34mm 7 Buttons Taper Drill Bit for Mining Drilling Blasting

Product information:

The rock drilling bits are manufactured from high-grade hard alloy and special steel. They are typically used with light-duty rock drills for drilling rock holes with a diameter of up to 50 mm. These drilling tools are widely applied in fields including metallurgical mines, geological exploration, water conservancy construction, electric power, transportation, tunnels, quarries, and national defense stone engineering projects.

Specification: T

apered

What is the advantage of our tapered drill button bit ? 

1.  Material: 100% virgin raw material with submicron grain size;
2.  Grade: Various grades for choice;
3.  Advanced production equipments and testing equipments
4.  Precision Ground and polished;
5.  High wear resistance,high hardness and impact toughness;
6.  Samples & small orders are acceptable.