4X life in rebar and 40 percent more life in concrete than competitive full-head carbide bits. Optimized for heavy-duty rotary hammers. Less carbide wear than two cutter means end user is more productive with each bit. No jamming when hitting rebar.
Extraordinary lifetime and high drilling speed in concrete and concrete with rebars; New centric conical tip - top hole guidance, constant hole diameter; New Sharp cutting edge border - deep penetration into concrete with rebars with each hit - continuous high drill speed. New wear mark - always correct hole diameter for anchor setting.