Consists of popular sizes within engineering industry, water and sanitation industry, electric installation industry.Sandflex® Bi-Metal holesaws are specially designed for Metal cutting but can be used in most materials such as wood and plastics.The holesaw cuts through ferrous metals (steel, stainless steel, cast iron) and non-ferrous metals (aluminium, brass, copper).Cutting depth max 38mm (1 1/2").4/6 teeth per inch.Arbors require a Power drill with 13mm chuck.Designed for professional use.Bi-metal construction with 8% cobalt for increased wear resistance.Holesaws with standard attachment to fit a wide range of arbors.High quality in terms of precision, durability and versatility.No matter what you are cutting through, we have the holesaws and arbors to tackle the job, time after time.Engineered to improve productivity and craftsmanship from the design of the cutting edges to the technologies used to produce the holesaws