Dry Core Drill Bit - Continuous Rim Core Bit - Concrete

Designed for electricians and plumbers drilling clean holes through cured concrete slabs and walls for conduit and pipe runs. This 2-1/2 inch continuous rim core bit features a .080 wall thickness and 10mm arbor connection for standard rotary drills. The continuous rim design delivers smooth, chip-free cuts in concrete, block, and masonry without the aggressive grab of segmented bits. Diamond Vantage construction provides consistent performance across residential and light commercial applications. Dry cutting capability eliminates water hookup requirements on interior jobs and second-floor work. Fits angle grinders and core drill rigs equipped with 10mm arbor adapters. Built for trade contractors running electrical, plumbing, and HVAC penetrations where clean entry and exit points matter.