Holesaw Tungsten Carbide Tipped Arbor + Pilot 20mm 3/4''

2-4mm Cutting Depth. Suitable to cut holes in flat materials. Cuts to a depth of 2mm in stainless steel; and 4mm in steels, fibre glass, chip board, glass reinforced plastics and other abrasive materials. Suitable in hand drilling machines up to a maximum 40mm diameter. Clear chips for thickness over 2mm