[Features] The unique spiral blade reduces chip adhesion and extends blade life. Nice and mighty, large diameter size with hexagonal shaft (6.35mm). The shank comes with a driver bit. If the shank breaks, you can easily replace it with a commercially available driver bit. The sizes are set to professional specifications (for electrical installations and facilities).
[Applications] Materials to be cut: steel and copper plates (up to 2mm), aluminum plates, wood, resin (up to 3mm), stainless steel plates (up to 1mm). Rechargeable drill, electric drill.