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

Product information:

The Rock Drilling Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.

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.