Holds up to 50 times longer than a bi-metal blade. When hardened screws rust or get stuck in other ways, the only option is to cut them flush with the surface. The Expert MetalMax makes a perfect flush cut even in hardened metal. With its outstanding durability, it is the perfect accessory for craftsmen who want to cut hard materials with a multifunctional tool. The Expert MetalMax is the latest offering from Bosch Carbide Technology. The teeth are made not only from an extremely hard metal strip that can even cut stainless steel, but they also feature a high-tech additional coating for maximum longevity. The straight cutting edge is optimized for shortening, as it is less prone to slipping on screws and pipes. With the Bosch Expert MetalMax blade for multifunctional tools, metal can be handled effortlessly. It even cuts hardened window screws and rebar. Starlock attachment for maximum power transfer and convenient blade changes in just 3 seconds. Material: Carbide, Width: 20 mm, Cutting Depth: 40 mm.