Ultra large diameter drilling with CarbideMax XL. With the requirement for ultra large diameter broaching fast increasing, the CarbideMax-XL55 range offers cutters from 61mm up to 150mm diameter with a 55mm cutting depth. These high quality TCT cutters have a reinforced 32mm diameter shank to withstand the high levels of torque generated. Adapters are available to convert the 32mm shank for use with standard 19.05mm weldon shank magnet drills. - Up to 10x longer life than traditional HSS Cutters - 64% Faster cuts than HSS cutters - Elaborate cutting geometry for faster, quieter drilling - Chatter free performance Premium Grade Tungsten Carbide teeth, one of the hardest materials available for use in cutting tools Up to 10x longer than traditional HSS cutters 64% faster cuts than HSS cutters Advanced triple-cut geometry results in faster, quieter drilling Large range of sizes and depths available Chatter-free performance31.75mm weldon shank to fits any standard 31.75mm (1-1/4") magnet drill Adapters are available to convert the 31.75mm shank for use with standard 19.05mm weldon shank Magnet Drills. 55mm Cutting Depth 88mm Total Length - Adjust RPM to match the material - Slowly and cautiously begin cutting before increasing pressure - For best results & swarf clearance always select a cutter longer than the material thickness - For hard materials & wear plates like Hardox use Ultra coated cutters