IRWIN WeldTec 2 9 16 in Woodboring Drill Bit Wall & Floor Tile Q: What size fasteners do Item Weight:.625 Q: What size fasteners do these lock washers fit Water Resistant & Washable: Easy to clean—great for high traffic including nail embedded wood Replaceable screw point tip is larger and more durable and pulls bit fast for clean Series Name WeldTec Sub Brand N A Bit Type Self feed bit Bit Length 5 in Shank Size 7 16 in Shank Type Hex Material High speed steel Case Type N A (no case) Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Individual Package Quantity 1 CA Residents: Prop 65 Warning(s) Yes Bit Diameter (Inches) 2 9 16 in Brand Model Compatibility All