Bosch BL2158 31/64″ Black Oxide Sp Jobber 3/8 Red (Carded)

Engineered for efficiency and durability, Bosch’s 31/64-inch by 5-7/8-inch fractional jobber drill bit features a speed helix design that enables three times faster drilling compared to standard bits. This versatility allows it to effectively tackle a wide range of materials including steel, aluminum, wood, and various plastics, making it an essential tool for both professionals and DIY enthusiasts. The black oxide surface coating not only enhances the drill bit’s lifespan—up to 50% longer than high-speed steel—but also promotes cooler drilling, reducing heat buildup and wear. With a standard shank size of 0.375 inches, this jobber length bit is ideal for use in diverse drilling applications, ensuring reliability and precision in every project.