Bosch 2608685877 SDS max-4 Masonry Drill Bit compatible with all rotary hammers with SDS max holders The Bosch 2608685877 is a single SDS Max-4 drill bit with a diameter of 40.0mm and a working depth of 400mm. The drill bit is best suited to drilling concrete and masonry. They feature a 4-cutter design that prevents jamming when drilling rebar and a 2-flute U-shape that provides good dust removal. This model is compatible with all rotary hammers with an SDS max holder and is extremely durable thanks to its carbide construction. Features: Ideal for use in concrete and masonry Compatible with all rotary hammers with SDS max holders 2-flute U-shape also lengthens life while offering good dust removal 4-cutter design ensures prolonged use with no jamming when drilling rebar Durability is further secured via the bits highly durable carbide, which resists wear Specification: Diameter: 40mm Total length: 520mm Working length: 400mm