Irwin Pilot Drill for SC1 and SC6 Holesaw Mandrels

The Irwin Pilot Drill is a precision HSS replacement drill bit designed specifically for use with Irwin SC1 and SC6 holesaw mandrels. This 6mm (1/4in) pilot drill ensures accurate centring when cutting holes with compatible holesaws, delivering clean results across a range of materials. Manufactured from high-speed steel, this pilot drill provides the durability and precision required for professional trade applications. The drill is compatible with both Ultra and standard Irwin mandrel systems using the SC1 and SC6 arbor types, making it an essential spare or replacement c