HMT 108030-0220 CarbideMax 40 TCT Magnet Broach Cutter 22mm The HMT 108030-0220 has a diameter of 22mm. The CarbideMax 40 Series will broach up to 35mm thickness of metal. CarbideMax TCT Broach cutters by Holemaker Technology are a new generation of broach cutter proven to more than halve the cost of hole broaching compared with traditional HSS cutters. CarbideMax TCT cutters also offer a life expectancy up to 10x that of standard HSS cutters and cutting speeds up to 64% faster thanks to their individually brazed Tungsten Carbide cutting teeth and elaborate tool geometry. This specialist construction also results in quieter, easier drilling, with smooth, accurate holes and chatter-free performance throughout the cut. The CarbideMax range - stronger and faster for longer, the ultimate value for money. Tungsten Carbide is one of the hardest materials available for use in cutting tools. The HMT CarbideMax range uses Premium Grade Sandvik Tungsten Carbide teeth meaning that cutters are capable of drilling through the toughest steels whilst maintaining their strength & cutting surface. Features: Fits any standard magnet drill Premium quality Tungsten Carbide Tips Special teeth geometry for fast, quiet cut Reduced chatter Large range of sizes and depths available Specification: Diameter: 22mm