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391Expanding drilling tools are often used when the diameter of the drilled hole needs to be increased when reaching the drilling depth. Available with combined pilot reaming bits, mushroom reaming bits and combined reaming bits. Thread model: R28, SSR28, R32, SSR32, R35, SSR35 Pilot drill head diameter: 26mm ~ 40mm Reaming drill bit diameter: 64mm ~ 127mm
Expanding drilling tools are often used when the diameter of the drilled hole needs to be increased when reaching the drilling depth. Available with combined pilot reaming bits, mushroom reaming bits and combined reaming bits.
Thread model: R28, SSR28, R32, SSR32, R35, SSR35
Pilot drill head diameter: 26mm ~ 40mm
Reaming drill bit diameter: 64mm ~ 127mm
