With the Carat EP16142020 diamond core drill, you drill cleanly, rapidly, and reliably through reinforced concrete and hard masonry. Featuring a 161 mm diameter and a 420 mm working length, this wet drilling bit is ideal for creating accurate passages for 160 mm drainpipes, sewage pipes, and ventilation ducts. The specialized tt segments deliver smooth starting and fast cutting performance through tough aggregates and rebar. Its robust laser-welded segments protect against tooth breakage during demanding core drilling tasks. Equipped with a standardized 5/4" male thread connection, you easily mount this core bit to your professional drilling rig for smooth, breakout-free holes.