The Milwaukee SDS Max Tunnel Bit (65x550mm, #4932492058) is engineered for heavy-duty applications, such as drilling in reinforced concrete and masonry. This one-piece solid steel drill bit features a premium 3-cutter centering drill bit design, allowing for precise starts and efficient drilling. The massive head with three large dust removal channels ensures optimal debris extraction, reducing friction and enhancing drilling speed. Equipped with rebar chamfers, this tunnel bit minimizes side tip damage when hitting metal reinforcement, ensuring longevity and reliable performance. The robust construction is ideal for professional use in demanding environments where durability and efficiency are paramount. Features and Specifications: Type: SDS Max Tunnel Bit Diameter: 65 mm Length: 550 mm Design: One-piece solid steel with a 3-cutter centering drill bit Features: Large dust removal channels, rebar chamfers for reduced side tip damage Application: Suitable for reinforced concrete and masonry Made In: Germany