1. The cutting edge is made of M42 high-speed steel, which provides the hardness and wear resistance required for cutting, and can withstand higher cutting temperatures, reducing the risk of breakage and extending the service life of the hole saw.
2. Set includes a metal hole saw, a hex shank mandrel, 2 center drills, and a wrench. The center bit and spring guide ensure precision and control.
3. Not only is it capable of cutting wood, plywood, plastic, drywall, soft plaster, sandbag board, acrylic board, and soft metals, it is also suitable for drilling holes to install can lights, recessed lights, ventilation ducts, home improvement or other similar applications in the workshop.
4. Metal hole saw kits can be installed on hand drills, impact drills, bench drills, and CNC drill presses. Before making any adjustments or replacing the hole saw, make sure the drill or drill press is turned off and unplugged.
5. The hole saw drill bit can be used to punch holes on 2mm thick stainless steel. It is not suitable for thick steel plates. The operating speed is best to start slowly and then increase it.