6.35mm x 75mm. Suitable for use with all Knightsbridge holesaw arbors
20-25 MM Holesaws
Features A4 size arbor with 6.3mm high speed pilot drill bit with 9.5mm hex arbor shank Suitable for use with Knightsbridge models
HS20MM - HS25MM hole saws Diameter: 19 mm Overall Height: 91.3 mm Material:
Metal