Hole saw 100mm: Made of high strength and hardness M2 high speed steel. Cutting depth: 37mm. Professional work on metal, aluminium, plaster, stainless steel, plastic and wood. Accessory: suitable for easily sawing cut-outs and openings for recessed spotlights, passages of cables in furniture, etc. With integrated drill shank, for all electric drills with a 1/4 bit, Power Change adapter, drills with SDS-plus attachment or drill chuck. Dirt and sawdust: can be easily removed through the existing ventilation holes. This HSS bi-metal hole cutter scores points with its extreme resistance and variable toothing. It thus guarantees a solid anchorage in the material and a particularly long service life. The high-quality coating of the rotary hammer drill bits reduces external friction and ensures clean and fast cuts.