Bosch BL4159 1/2″ Black Oxide Sp Jobber 3/8″ Red (Bulk)

These high-performance jobber drill bits from Bosch are expertly designed to enhance your drilling experience, delivering easier operation and reduced heat for an extended lifespan. Protected with a black oxide coating, they outlast traditional high-speed steel bits by 50%, making them a reliable choice for a wide variety of applications, including steel, copper, aluminum, and hardwoods like oak and maple. Featuring a speed helix design, these bits enable drilling up to three times faster than standard options, providing a significant efficiency boost for both professionals and DIY enthusiasts. The set includes six 1/2-inch diameter bits, each 6 inches long, perfect for projects demanding versatility and precision across numerous materials.