Bosch 2608685867 SDS max-4 Hammer Drill Bit For Masonry 22 x 400 x 520mm The Bosch 2608685867 is a single SDS Max-4 drill bit with a diameter of 22.0mm and a working depth of 400mm. The drill bit is best suited to drilling concrete and masonry. They feature a 4-cutter design which prevents jamming when drilling rebar and a 2-flute U-shape which 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: 4-cutter design ensures prolonged use with no jamming when drilling rebar 2-flute U-shape also lengthens life while offering good dust removal Durability is further secured via the bits highly durable carbide, which resists wear Ideal for use in concrete and masonry Compatible with all rotary hammers with SDS max holders Specification: Diameter: 22mm Working length: 400mm Total length: 520mm