Q7-43-R28 Threaded Button Bit

Rock drilling tools manufacturer ProDrill offers a wide of threaded drill bit as per different thread type, diameter, skirt body, face, and carbide shape as for your drilling job.

R22, R25, R28 Threaded Button Bits,
Main Diameter 40mm, 41mm, 43mm, 45mm.
Carbide shape: Dome, Ballistic , Semi-Ballistic,
Skirt body :  Standard
Used in drifting and tunneling, or dimensional natural stone quarrying
To match shank rod, and MM Hex drifting drill rod for light-duty top hammer.
Drift rod size : R32-R28-H28  2600mm, 3100mm

Rock Drill Bits: R Thread Button Bits
Has good wear properties
• It is ideal for single pass or short hole drilling such as underground tunneling application that require infrequent uncoupling
• It is available in sizes 38 mm40mm, 41mm, 43mm, 45mm.

For more details please watch PDF online: R28 Threaded Drill Bits for Drifting and Tunneling Catalogue