BOSCH SDH9 3/16 In. to 1-3/8 In. High-Speed Steel Step Drill Bit

Product Description Through 80 years of developing innovative tools and accessories for the concrete professional, BOSCH has become the acknowledged leader in the industry. with a robust line that can address everything from the toughest concrete drilling tasks to material removal, BOSCH is a company whose legacy is written in concrete. If the project requires work in concrete, from polishing and anchoring to material removal, there's only one place to turn for a complete solution. Trust BOSCH to provide the professional-grade tools and accessories to get the job done right. Ideal for large-area material removal of lime, plaster, hard finish plaster, sandstone, and abrasive concrete.. The hard metal binding even resists loads caused by strongly abrasive materials.. Optimal use-asphalt, fresh concrete, pumice stone, screed concrete, aerated concrete, plaster, cast asphalt, soft limestone, and plaster mortar. May be used on-basalt, old concrete, stone concrete pipes, natural limestone, quartzite, and sandstone. From the Manufacturer The Bosch line of step drills offers contractors the ability to drill up to 13 different sized holes with just one bit. They are designed for electrical, plumbing and HVAC contractors. Materials: Bosch Bits drill clean, accurate holes in these thin materials (up to 1/8"): Sheet Metal, Ducts, Steel, Copper, Brass, Aluminum, Plastic, Plexiglas, Wood, Veneers, Vinyl Siding, Plasterboard, PVC, Stainless Steel, and Cast Iron. Applications: The Bosch line of step drill bits are ideal for: Electrical Knockouts, Running Conduit, Draw bolt Holes, Faucet Installations, Auto Body Work, Running Freon Lines, Edge Boring Steel and Hollow Doors.