Bosch 3" Black Oxide Coated General purpose Jobber Length Drill Bit with 0.149" shank is made of high-speed steel to render extended tool life when drilling hard materials. No. 25 Drill bit features a speed helix design that offers three times faster drilling compared to standard bits. It is ideal to drill steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials. Black oxide coating provides 50% longer durability than high-speed steel.
Features
High speed steel to render extended tool life when drilling hard materials
Benefits
Speed helix design for three times faster drilling than standard bits
