H108 TCT Holesaws Short 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 Holecutter, TCT (Short) anti-shear arbour system Ejector Spring guarantees automatic disc ejection Prevents breakthrough, thus protecting the work surface Safety Stopper Replaceable pilot drill secured tightly with grub screw Self-Centring Pilot Drill Precision ground for cutting difficult and abrasive materials. Tungsten Carbide Teeth precision ground for cutting difficult and abrasive materials. Suitable to cut holes in flat materials. Suitable for hand drilling machines up to 40mm diameter. Clear chips for thicknesses over 2mm.