Bosch SDT3 - 1/4 In. to 3/4 In. Titanium-Coated Step Drill Bit

Features

• Super-hard titanium coating lasts up to six times longer than high-speed steel
• Self-starting point starts on contact
• Balanced double flute eliminates chatter and vibration
• Titanium reduces heat for longer life
• 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