AL ARQAM 55mm Carbide Hole Saw, TCT Hole Cutter with Titanium-Plated Pilot Drill bit for Metal, Stainless Steel, Iron, Wood

*Widely used for drilling holes on metal plate in the kitchen room, door structure, equipment cabinet and cable box. Precise drilling for electric boxes to smoothly assemble buttons, switches and displays. *Stepped pilot drill bit design protects carbide teeth from impacting perfectly when the pilot drill bit cuts through the cutting material. Split point pilot drill bit prevents bit walking *Please take measures to protect your skin and eyes. Apply anti-rust oil for longer service life after use. In order to prevent chipping, please avoid making the edge of the hole opener have a violent impact when cutting materials.