HSS bi-metal holesaw with 8% cobalt for long life in various materials including stainless steel. Standard arbor fitting. A real time-saver for trade pros such as electricians or plumbers. With the Bosch PRO Multi-Material hole saw, you can carry just one kind of hole saw for multiple tasks - it cuts holes in softwood, drywall, plastics, metal pipes and profiles or non-ferrous metals. This HSS hole saw is made with 8% cobalt for durability and great performance - it lasts up to two times longer than a standard HSS M3 hole saw, with an enhanced tooth design for fast and smooth cuts. Offering effective hole sawing in anything from steel cladding to drywall, this Bosch hole saw is a durable and dependable all-rounder for interior construction and installation work. Features and Benefits: * Pro performance - high-speed steel with 8% cobalt for durability * Long life - lasts up to 2x longer than a standard HSS M3 hole saw * 44mm cutting depth - cut holes in a variety of construction materials * Multi-material - cuts softwood, drywall, plastics, metal pipes and more * New slot design - easier removal of plugs for more efficient work * Standard arbor fitting - for rotary drills/drivers or impact drills/drivers Specifications: Diameter: 51 mm Working length: 44 mm Scope of delivery: Bosch PRO Multi Material Hole Saw, 51 mm