Q12-T51-89 rocket 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 rocket button bit

Diameter: 76mm, 89mm, 102mm

Skirt body: normal

Carbide shape:  Conical  carbide

Used in bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer drilling tools.
Q12-T51-89 button rocket bit
12 Conical  carbide inserts T51 threaded drill bit with rocket design, 89 mm diameter match with extension drill steels.  rocket are well suited for drilling straighter holes in less abrasive and less consolidated rock at a faster rate.

Q12-T51-89 rocket button bit, 12mm*12