Rock drilling tools manufacturer ProDrill offers rock drill bits: R32 Dome Reaming Bit are one of the most important size for benching and long hole drilling underground
R32 Dome Reaming Bit
Diameter: 89mm, 93mm, 102mm, 115mm, 127mm, 140mm, 152mm
Skirt Body: retrac, and normal, straightrac
Face type: flat, uniface, drop centerST68 Threaded Drill Bit
Carbide Design: Dome, ballistic, semi-ballistic/parabolic
R32-102mm Dome Reaming Bit
Used in bench drilling, underground long hole drilling to match extension drill rod, heavy duty top hammer.