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 type: flat, uniface, drop center
Carbide shape: Dome, ballistic, semi-ballistic
Used in bench drilling, underground long hole drilling to match extension drill rod, drifting drill steel heavy duty top hammer.
T45 Threaded Drill Bit with uniface design.
13 Semi-Ballistic Buttons, 89mm Diamter, T45 Thread with Uniface, Standard body Top Hammer Bit to match with extension drill rods for bench drilling and underground long hole drilling.
For more details please watch PDF online: T45 Drill Bits for Bench Drilling, Long Hole Drilling Underground Catalogue