Reaming Bits

R25, R28, R32, R38 Reaming Bit For Rock Drilling 

High-quality Reaming bits, reaming tools, reaming drilling bits, integral reaming bits, reaming bits with pilot adapter, button bits, and Threaded Drill Bits are all produced by Superdrill.

Button bit reaming was a common practice in mining and quarrying for blast hole drilling.
Drilling accuracy and direction can be guaranteed with the use of pilot adapters.
Bit type: Reaming bits / Dome bits

Angle of Connection: 6 / 10 / 12 degrees
Pilot adaptor diameters: 26 / 28 / 35 / 40 mm, etc.
Button bit diameters for reaming are 60, 64, 70, 76, 80, 89, 102, 127, and 150 mm.
Type of thread: R25, R28, R32, R38