R28-41 Threaded Button Bit

Rock drilling tools manufacturer Bloom threaded button bits offers leading strength and penetration rates in the industry for more productivity, excellent straightness and hole clean quality, with max drilling performance for rock drill bits with long life to save up fuel cost rate.

R28 drill string is designed to reduce tensile shock waves in the drill string, a higher fatigue strength improves resistance and reliability, raising productivity with less wear, better fuel efficiency and sustainable drilling. 

Threaded Button Bit

Diameter: 30mm, 32mm, 33mm, 35mm, 38mm, 41mm, 43mm, 45mm, 48mm, 51mm, 57mm, 64mm

Skirt body: retrac, and normal,

Face: flat, uniface,

Carbide: Dome, ballistic

Used in drifting and tunneling, dimensional natural stone quarrying

To match shank rod, and MM and MF Hex drifter rod for light-duty top hammer