Bosch 1 2 in Solid Carbide Downcut Spiral Router Bit Bathroom Heating 9 Actual inside diameter (in Power That Organizes Your 9 Actual inside diameter (in 2 Sink Type Undermount Features Predrilled Bit Style Downcut spiral Number of Flutes 2 Overall Diameter 1 2 in Cutting Edge Length 1 1 4 in Bit Shank Diameter 1 2 in Overall Length (Inches) 3 Warranty 1 year limited Sub Brand N A CA Residents: Prop 65 Warning(s) No Bit Material Finish Solid carbide UNSPSC 27112800 For through cutting where downward pressure and chip removal is desired For high duty cycle applications Balanced cutting with minimal vibration Solid carbide for durability Recommended for CNC or router table use