Carbide Hole Saw, -, Saw Dia. 2-1/4 In., Tungsten Carbide Tipped, Max. Cutting Depth 1-1/2 In., Teeth Positive Rake, Teeth per Inch 3, Arbor Hole 7/16 In. Hex, Use Arbor 4XJ25, Thread Size 5/8-18, Pilot Drill 4XJ28, Carbide Tipped, Included with Arbor, Drill Size 1/4 In. Dia x 4 In. L, For Abrasive Materials Such As Fiberglass, Particle Board, Asbestos Board, Formica
- Designed for sawing holes in tough abrasive materials such as fiberglass, particle board, asbestos board, plaster, and Formica . 3 teeth per inch provides better chip clearance and faster cuts. Separate arbor required.