Bosch BL4135 1/8″ Black Oxide Spjobber (Bulk)

Crafted for efficiency and longevity, these drill bits from Bosch feature a unique speed helix design that allows for drilling three times faster than standard options. The black oxide surface coating not only provides a sleek finish but also enhances durability, allowing the bits to last up to 50% longer than traditional high-speed steel variants. With a versatile diameter of 1/8 inch, these jobber-length bits are suitable for an array of materials including steel, copper, aluminum, and various plastics, making them an essential choice for both professional and DIY projects. Whether you’re working with hardwoods like oak and maple or materials such as PVC and acrylic, this 12-piece set equips you with the reliability and performance needed to tackle your drilling tasks effectively.