Bosch PRO M4 SDS Max Masonry Drill Bit

The Bosch PRO SDS max-4 in 20mm diameter and 520mm length provides the extra reach needed for deep-bore applications at 20mm, suitable for through-wall installations and deep fixings in reinforced concrete structures. 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: 20mm Length: 520mm Contents: • Pack of 1