4-1/2 inch Diamond Concrete Hole Saw Masonry Core Drill Bit Heavy Duty for Brick, Cinder Block Standard Shank for Cordless Electric Drills 4.5 inch Diameter Includes Positioning Guide Template
- Durable 4.5 inch core drill bits for concrete, exactly 4.5 inches diameter. Tool Life: 7 to 10 holes in concrete..
- Concrete hole saw 4-1/2 inch with 2 inch depth of cut and standard 3/8 inch shank for standard cordless or electric drill.
- 4-1/2 in concrete hole saw dry or wet use drilling holes in concrete block, brick, stones, basement walls, foundations, tile, marble, granite countertop, ceramic, porcelain.
- Includes Positioning Guide Template Also Holds Cooling Water.
- Laser welded diamond concrete core bit fits your standard drill. If abused, this hole saw will no last more than a few uses..