3XHex Shank HSS Countersink Drill Bit Set 5 Flutes Holes Predrill Quick Release
Five Flute Chamfer Debur Countersink. - Contains all popular sizes of countersink bits. - Carpentry Countersink Drill Bit Set. 1 x Hex shank countersink drill 12mm. 1 x Hex shank countersink drill 16mm.