This Bosch HSS-Bi-Metal holesaw combines the blade and centre drill as one part, making it run with less vibration and more precision. It is suitable for aluminium and other non-ferrous metals, iron and steel, acrylic, wood, and plastic. The holesaw features a 76mm head size that fits all brands and offers best performance in cutting speed and lifetime. It includes a pilot drill bit and weighs 0.2645547144 pounds. The one-part system ensures precise true running, smooth operation, and low vibration.