Trend Snappy TCT Countersink Set - 5 piece set A 5 piece set for all your countersinking and piloting needs covering Imperial screw gauges from No4 through to No12. Comprises 1 x 2.0mm (5/64"") drill countersink, 1 x 2.5mm (3/32"") drill countersink, 1 x 2.75mm (7/64"") drill countersink, 1 x 3.25mm (1/8"") drill countersink and 1 x 3.5mm (9/64"") drill countersink with 9.5mm and 12.7mm counterbore diameters." TCT cutting tips for assured, long life performance in all timbers and abrasive timber based materials including ply, MDF and chipboard. Adjustable drilling depth to suit material thickness with easily replaceable drills should any damage occur. Can be used to make countersinks and can also be used for counterbores; ideal for use with Trend Snappy SNAP/PC/95T or SNAP/PC/38 Plug Cutters for applications where the fixings need to be hidden. Specifications • Shank Diameter: 1/4 hex • Pack Qty: 5 pack Contents: 1 x 2.0mm (5/64") drill countersink 1 x 2.5mm (3/32") drill countersink 1 x 2.75mm (7/64") drill countersink 1 x 3.25mm (1/8") drill countersink 1 x 3.5mm (9/64") drill countersink