T51-127mm-Q18 Threaded Button Bit

Rock drilling tools manufacturer Bloom offers rock drill bits: T51 Threaded Button Bits are the most important size for benching and long-hole drilling underground.

Diameter: 76mm, 89mm, 102mm,127mm

Skirt body: retrac, and normal, straightrac

Face type: flat, uniface, Drop Center

Carbide shape: Dome, ballistic, semi-ballistic

For bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer.

18 Semi-ballistic/parabolic carbide inserts T51 threaded drill bit with drop center face, 102mm diameter match with extension drill rod for bench drilling and long hole drilling underground.