Bosch SDH7 - 9/16 In. to 1 In. High-Speed Steel Step Drill Bit

Features

• Self-starting point starts on contact
• Balance double flute eliminates chatter and vibration
• Resharpenable cutting edge provides longer tool life
• Three-flat shank for reduced slippage
• For use with all common drilling needs
• Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron