Bosch BL4151 3/8″ Black Oxide Sp Jobber (Bulk)

Bosch’s 6-piece set of 3/8″ x 5″ Fractional Jobber Black Oxide Drill Bits is engineered for superior performance and long-lasting durability. These drill bits are designed with a speed helix, allowing for drilling that is three times faster than standard bits, while the black oxide surface treatment helps to reduce heat, extending the life of each bit by approximately 50% compared to traditional high-speed steel options. Versatile in their application, they can effectively drill through a range of materials including steel, aluminum, wood, and various plastics, making them indispensable for both professional tradespeople and DIY enthusiasts alike. Each bit in the set features a 3/8″ chuck size and a single-ended twist design, providing reliability and efficiency for any project.