Milwaukee 48-17-5045 4-1/2′ DIAMOND ULTRA™ Wet Core Bit

The 4-1/2″ Diamond Ultra™ Wet Core Bit from Milwaukee Tool is engineered for efficiency, designed specifically for fast drilling in concrete and rebar applications. Featuring a thin kerf and segmented diamond rim, this core bit offers superior cutting speed while ensuring maximum run time—up to 20% longer than previous models. The laser-welded construction enhances durability, making it suitable for tough jobs, including solid steel drilling. With a 10 mm segment height and a 1-1/4″ threaded shank, this core bit is compatible with both MX FUEL™ core drills and corded core drills, providing versatility for a variety of projects. Built for wet use only, it maintains sharp cutting edges throughout its lifespan, finishing off with a remarkable drilling depth of 16 inches.