- Versatile Diameters: Ranging from 30mm to 160mm, these drill bits are designed for precise drilling into concrete, brick, masonry, and natural stone, making them suitable for a wide array of construction and renovation projects. - Optimal Drill Bit Depth: With a depth of 50mm, these bits deliver clean and deep drilling capabilities in hard materials, ensuring professional-quality results. - Flexible Extension Options: This product includes extensions that can be adjusted from 120mm to 600mm, allowing you to reach various depths effortlessly for diverse drilling needs. - Robust Mount Compatibility: Featuring a 10mm shank for SDS Plus and an 18mm shank for SDS Max, these drill bits ensure maximum compatibility with the majority of standard hammer drills on the market. Use Scenarios: 1. Ideal for contractors working on masonry walls, these drill bits provide the precision and depth needed for anchors and anchors installation. 2. Perfect for DIY enthusiasts tackling home improvement projects, such as installing outdoor fixtures or hanging heavy shelves in brick or concrete. 3. Effective in stone quarrying or renovation tasks, facilitating the precise drilling required for cutting fixtures or plumbing installations.