Drill America 1 1 4 in Carbide Tipped Arbored Hole Saw Landscape Rocks NPT (straight thread) fittings NPT (straight thread) fittings 1 Year Warranty Brand Model Compatibility Compatibility with All Brands Type Hole saw Blade Material Carbide tipped Case Type Hard Set Individual Individual Adjustable No Hole Saw Diameter 1 1 4 in Arbored Non Arbored Arbored Package Quantity 1 For Use on Drywall No For Use on Fiberglass No For Use on Granite No For Use on Metal Yes For Use on Mineral Fiber No For Use on PVC No For Use on Tile No For Use on Wood No CA Residents: Prop 65 Warning(s) Yes Warranty None UNSPSC 27112800 sheet metal and copper Work well with abrasive materials like high density resin and metal plates Has auto ejecting slug Comes with pilot drill and hex key Can cut over 300 holes in stainless steel plate 3 16 in Depth of Cut