Bosch BL2739 3/16″ Black Oxide Sp 12″ Long (Carded)

This 3/16-inch by 12-inch aircraft black oxide drill bit from Bosch is engineered for efficient drilling across a variety of materials including steel, aluminum, brass, and various woods. Its speed helix design allows for drilling that is three times faster than standard bits, significantly increasing productivity while reducing heat, which in turn extends the life of the drill bit. This black oxide finish not only enhances durability but also ensures that the bit maintains its performance for up to 50% longer than typical high-speed steel alternatives. Designed in an extended aircraft length, it is ideal for reaching into tight spaces, making it a reliable choice for both professionals and DIY enthusiasts alike.