GRIXLEN 6-1/4in Dry Core Drill Bit 7pc Set Diamond Masonry Concrete Brick

Brand: GRIXLEN

Item: 6-1/4 inch dry core drill bit 7-piece set designed for rotary drilling of large-diameter holes in masonry, brick, concrete and cement walls.

Construction: Heavy-duty steel core barrel with hard-wearing diamond alloy cutting segments and elongated side slots that aid chip removal and cooling during dry drilling.

Thread and compatibility: 5/8-11 inch threaded connection compatible with many rotary drills and core rigs; includes three interchangeable shank adapters (SDS Max, SDS Plus and 1/2 inch hex) for use with different drill types in rotary-only mode (no hammer function).

Use: Suitable for residential and commercial applications such as running HVAC ducts, plumbing lines, electrical conduit and other services through brick or concrete block walls while producing cleaner, more controlled cores.

Written measurements and specs: Core bit length approximately 10 inch; core diameter marked 6-1/4 inch; pilot drill bits approximately 12 inch (305 mm) length; SDS Max