Rock drilling tools factory ProDrill manufactures rock drill bits: T45 Threaded
Button Bit is the most important size for benching and
long-hole drilling underground
Diameter: 76mm, 89mm, 102mm
Skirt body: retrac, and normal, straightrac
Face design: flat, uniface, Drop Center
Carbide design: Dome, ballistic, semi-ballistic
Used in bench drilling, underground long
hole drillingto match extension MF rod, MM rod heavy duty top hammer.
Sandvik Top hammer drill rig RANGER DX700 using ProDrill drill bits , showing perfect drilling performance of higher penetration rate , longer life, lower cost.
13 dome carbide inserts T45 threaded drill bit with flat face design, 89mm diameter match with extension drill rod for bench drilling and underground long hole drilling.