Steel Dragon Tools® 4-1/4 in. (108 mm) x 6-1/4 in. Dry Diamond Laser Welded Masonry Core Drill Bit. For use on block, brick, concrete, and other materials.
- 4-1/4 in. x 6-1/4 in. dry core drill bit
- 13/16-inch female threads.
- 10 mm laser-welded split segments for improved operating life.
- Drilling Depth: 6 in.
- Overall Height: 7 in.
Steel Dragon Tools® diamond core drill bits have a one (1) year warranty against manufacturer defect. Factory conforms to ISO-9001-2000 Quality Control Systems and ISO-14001-2004 Environmental Systems.
