Product Details
Thunderbolt black oxide jobber length drill bits are engineered for extreme durability and long life, featuring a Thunderbolt web design with a thicker core that enhances strength and minimizes side-load breakage. The drill bit incorporates a specially designed parabolic flute form that efficiently clears chips while drilling. A 3-flat Secure-Grip shank ensures a firm hold in the drill chuck, preventing slippage during use. The 135-degree split point tip allows for precise starting, reducing walk and enabling fast, accurate hole creation. These drill bits are effective for general-purpose drilling in wood, metal, and PVC, and are particularly suited for use with portable drills. The black oxide finish adds lubricity and provides anti-corrosive properties, enhancing the longevity of the bit. Overall, the Thunderbolt black oxide drill bits are a reliable choice for varied drilling applications.








