Bosch 1 2 in Carbide Tipped Pilot Panel Router Bit Picket Fencing Q1: What material is used Q1: What material is used for the Veranda Glendale White Vinyl Fence Panels Its washer type head has no sharp edges like conventional lag screws and the added shoulder underneath the washer has the ability to center the RSS screw in predrilled hardware 75 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 Single flute allows for faster feed rates For window and door cutouts in abrasive insulation materials