Bosch Black Oxide Metal Drill Bits Have Been Designed To Satisfy Contractors, Electricians And Other Pros Who Need Solid, Reliable Bits For General-Application Drilling In Wood, Plastic And Light-Gauge Metal
No-skate tip – for clean and accurate starts
Black oxide coating – generates less friction
Three-flat shank – promotes better grip on bits 3/16 In. and larger
Universal drilling applications – designed for general-purpose use