PROTEC.class PHBKS68290 Hollow drill bit 68x290mm

Hole hollow drill bit SDS-Max For drill hammers over 5 kg with SDS-Max mount or 2-nut lock, with integrated SDS-Max mount, dynamically shaped shaft for optimal impact energy transfer, special teeth made of hard metal for rapid drilling progress even in hardened rock, hard metal DC quality and special brazing guide, rapid drilling progress by direct tooling concrete