Bosch 1 2 in Carbide Tipped Pilot Panel Router Bit Tamper Resistant allowing for up to 30 Item Weight:.625 allowing for up to 30 of addition pipe biting access It’s an elegant foundation that feels indulgent yet utterly livable and paneling Drill through pilot for guiding on templet or framing after panel has been mounted Micrograin carbide tips provide superior wear resistance and long life 5 Bearing Diameter N A Warranty 1 year Sub Brand N A Overall Diameter 1 2 in CA Residents: Prop 65 Warning(s) No UNSPSC 27112800 Center Pilot None Bit Shank Diameter 1 2 in Bit Material Finish Carbide tipped Drill Through Point Included No Bit Angle Flush