Bosch Drill Bits & Parts Hammer drill bit 607735 - Bosch 2608685861, The Bosch SDS max-4 drill bit is designed for use with hammer drills to effectively drill into stone, masonry, and brickwork. This specific drill bit measures 16x400x540mm, suitable for heavy-duty applications with its SDS-Max shank type. It is ideal for professional construction work and ensures precise and robust drilling performance in hard materials. Bosch 2608685861 SDS max-4 Hammer Drill Bit 16mm Durable Concrete Use