Trend Snappy 9.5mm diameter countersink - with adjustable pilot drill 9.5mm diameter countersink with pilot drill designed for Imperial screws up to 8 gauge. The perfect, fast swap accessory for clean, consistent finishes." Made from hardened tool steel for assured performance. Ideally suited to hard and softwoods alike." Fitted with high quality 2.75mm diameter replaceable HSS (High Speed Steel) drill designed for piloting work with Imperial screws up to 8 gauge in softwood and 6 gauge in hardwood. Easily adjustable drill length for different timber thicknesses and fast alignment. 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 • Dia Metric: 9.5 • Dia Imperial: 3/8 • Dia2 Metric: 2.75 • Dia2 Imperial: 7/64 • Type or Grade: For No.8 S/W