6 Inch T51 Spherical Mining Industrial Drill Bits Reaming Button Bit

Description
Reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot holes is drilled to a depth. We manufacture pilot reaming drilling tools, domed reaming button bits and adapter reaming button bits. Pilot reaming bits consist of pilot adapters and reaming bits, both domed bits and adapter reaming bits are integral. Dome bit is usually used when the pilot bit needs to enlarge the hole diameter after drilling to the specified depth.
Thread: R25, R28, R32, R38, T38, T45, T51
Pilot adapter diameter: 26mm ~ 40 mm.
Reaming button bit diameter: 64mm ~ 152mm.

Features:
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability
Fast penetration rates, and straight and clean hole quality. Long life of drilling holes.
 
Specification