Titanium-Coated Drill Bit - 21/64" x 4 5/8"

The Bosch Titanium-Coated Drill Bit is designed to provide long-lasting performance at home and on the jobsite. This drill bit features a super-hard titanium coating that lasts up to 6 times longer than steel by helping reduce heat and friction while drilling. Perfect for use on sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron, this drill bit features a self-starting point that helps pull the drill bit on almost any surface.