Sealey Countersink Drill Bit Set 5pc Features: Countersink drill bit set intended for the creation of pilot holes and countersinks at once. Suitable for use on a range of materials such as wood, plastic, PVC, plywood, rubber and more. Manufactured from 4241 HSS steel. Drill bits fitted with a 1/4"Hex shank and can be used with any standard sized drill chuck. Hex key supplied to adjust drill bits to accommodate different length screws. Sizes: Ø2, 2.5, 2.75, 3.25, 3.5mm. Technical Details: • Countersink drill bit set intended for the creation of pilot holes and countersinks at once. • Suitable for use on a range of materials such as wood, plastic, PVC, plywood, rubber and more. • Manufactured from 4241 HSS steel. • Drill bits fitted with a 1/4"Hex shank and can be used with any standard sized drill chuck. • Hex key supplied to adjust drill bits to accommodate different length screws. • Sizes: Ø2, 2.5, 2.75, 3.25, 3.5mm. • Model No. CSSET5 • Model No. CSSET5 Additional Information: •