Q14-89-T51 Threaded Button Bit

Rock drilling tools factory ProDrill manufactures high quality rock drill bits, one of the most important size for benching and long-hole drilling underground is T51 Threaded Button Bit

T51 Threaded Button BitSemi Ballistic Button Threaded Drill Bit

Diameter: 76mm, 89mm, 102mm
Skirt body: retrac, and normal, straightrac
Face type: flat, uniface, Drop Center
Carbide shape:  Dome, ballistic, semi-ballistic

Used in bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer.
Flat face threaded button bitSemi ballistic threaded button bit89mm T51 Threaded drill bit
14 Semi-ballistic carbide inserts T51 threaded drill bit with flat face design, 89 mm diameter match with extension drill steels.

T51-89-14 button FF spherical bit, 13mm*8+12mm*6