Drill a pilot hole and countersink using a countersink bit, then create wooden plugs with a plug cutter. D1XD2Xd/ mm Size: Countersink Bit (D1 D2) Plug Cutter Shank Diameter: d Unit: mm /Item No. /Size /Shank JAN/Jan code 58X-S3090 3X9X9 6.35 4962660403095 58X-S3510 3.5X10X10 6.35 4962660403514 58X-S4105 4X10.5X10.5 6.35 4962660404153