Q7-41-R28 Threaded Button Bit

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

We will choose to use tungsten carbide of T6，featuring good wear-resistance and toughness.

This type of carbide has already been proved to be the best in world and been competing with those big names worldwide for quite a long time.

Meanwhile，we will choose to use superior steel suitable for hot insertion technology, by which the drilling bits body will hold the carbide buttons so tightly that reduce the risk of buttons's dropping out of the holes.

In order to better resist the abrasiveness of rock, spherical shape will be a good option for the carbide if high speed is not a necessity.

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