89mm R32 Retrac Drilling Bit Top Hammer Thread Button Bit for Mining

89mm R32 Retrac Drilling Bit Top Hammer Thread Button Bit for Mining
 
 
Description:
 
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. R22 R25 R28 R32 T38 T45 T51 T60 threaded button bits could be produced as per your requirements completely, such as flat face or drop-center face; normal body or retrac body; spherical buttons, ballistic buttons or parabolic buttons.
 
A comprehensive range of various button bits shown as below:

Applications:
 
Mining,Bench drilling,Quarry,Well Drilling,Rock Drilling,Hole drilling and so on.
 
Advantage:

1) High quality;
2) High resistance;
3) High footage speed;
4) Very low breakage;
5) Very low percentage of carbide falling off.
6)Wide application range.