Bosch Holesaw Wood & Metal 89mm SKU: 278292 MODEL: 2608580795 Error. try again later You've successfully joined the club $ 43 .76 each Mitre 10 Variants HHS-matrix II steel with 8 percent cobalt alloy. Suitable for use on metal, mild steel, aluminium,wood, plastic and stainless steel. Features and benefits Made with laser welded bi-metal. Progressive tooth spacing. Excellent cutting time and service life.