This bi-metal hole saw is especially suitable for use in soft and medium hard wood, insulation boards, drywall panels, plastic and metal. With the progressive Vario toothing made of high performance high speed steel you achieve a fast drilling progress. The resulting drilling dust is reliably removed via the large ejection holes, which also facilitate removal of the drill core after drilling. With the hexagonal shaft, the hole saw can be quickly locked in the drill chuck of your drill or cordless screwdriver. With a possible cutting depth of 40 mm and availability in various diameters, it is a versatile helper in numerous projects in interior design and metal construction. The hole saw is TÜV-tested - so you can rely on a safe quality product.