Q18-140-T51 Threaded Button Bit

Rock drilling tools manufacturer 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

140mm Diameter T51 Threaded Button Bit
Diameter: 76mm, 89mm, 102mm, 115mm, 127mm, 140mm, 152mm
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 drilling tools.
Drop Center Face T51 Threaded Button Bit

Ballistic Button T51 Threaded Button BitT51 Threaded Drill BitT51 Threaded Drill Bit
18 Ballistic carbide inserts T51 threaded drill bit with drop center face design, 140 mm diameter match with extension drill steels. Drop center bits (DC) are well suited for drilling straighter holes in less abrasive and less consolidated rock at a faster rate.

For more details please watch PDF online: T51 Drill Bits for Bench Drilling, Long Hole Drilling Underground Catalogue