Bosch Cutting Disc Metal 230mm SKU: 278328 MODEL: 2608603039 Error. try again later You've successfully joined the club $ 7 .99 each Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Appropriate for hand-held angle grinders. Maximum circumferential speed: 80 m/s. For Use on metal.. Features and benefits Thickness of 3mm. Bore diameter of 22.2mm.