Dixie Diamond Manufacturing BD21/4 Dry Hole Saw Premium Grade for Dry/Wet Coring BRICK & BLOCK, 2.25-Inch X 9-Inch X 0.625-Inch

These are masonry core bits. Used on hand held core drills or with an adaptor (ADJAC) to use on regular hand drills. All bits have 5/8-Inch-11 threads and a 9-Inch drilling depth.

• These are masonry core bits
• Used on hand held core drills or with an adaptor (ADJAC) to use on regular hand drills
• All bits have 5/8-Inch with 11 threads and a 9-Inch drilling depth