Bosch PRO M4 SDS Max Masonry Drill Bit

The Bosch PRO SDS max-4 in 28mm diameter and 520mm length is built for deep, large-bore drilling in reinforced concrete — a strong choice for heavy structural fixings and service duct penetrations requiring both width and depth. Features and Benefits: • Lasts up to 1.5x longer than a Bosch SDS max-2 drill bit • 4-cutter head resists jamming and breakage on rebar • Deep flute channels for effective dust and chip removal • High-quality tungsten carbide for lasting durability • Fits all SDS max rotary hammers Specifications: Diameter: 28mm Length: 520mm Contents: • Pack of 1