Quick release 1 4 inch hex shank for use in quick tool change drills. Accurate self centred pilot hole drilling for hinges and lock face plates. Use on timbers and boards. High speed steel hss drlll bit for longer life. Sprung loaded to ensure drill bit retracts safely. Easily dismantled for cleaning and drill bit replacement. Use in quick chucks and impact drivers.Specifications shank diameter 1 4 inch hex d 2.4 Mm 3 32 d 2.8 Mm 7 64 d 3.6 Mm 9 64 screw size no.6 3.5 Mm screw size no.8 4.0 Mm screw size no.10 5.0 Mm contents 1 x drill bit guide 3 32 1 x drill bit guide 7 64 1 x drill bit guide 9 64
Quick release 1 4 inch hex shank for use in quick tool change drills. Accurate self centred pilot hole drilling for hinges and lock face
