Here are some key points about hex shank drill bits: Hexagonal Shank: The shank of the drill bit is hexagonally shaped, typically with six flat sides. This design provides a secure and non-slip grip when inserted into a compatible chuck. Quick Change: One of the main advantages of hex shank drill bits is their quick-change capability. They are commonly used with quick-change chucks that allow for rapid and effortless bit changes without the need for additional tools. Compatibility: Hex shank drill bits are primarily designed to be used with drills that have a hex chuck. These drills often include impact drivers, rotary hammers, and certain types of cordless drills. It's important to ensure that your drill has a compatible chuck before using hex shank drill bits. Versatility: Hex shank drill bits are available in a wide range of sizes and types, including twist drill bits, spade bits, hole saws, and more. This versatility allows for various drilling applications in materials such as wood, metal, plastic, and masonry. Increased Stability: The hexagonal shape of the shank provides better grip and reduces the chances of the bit slipping during drilling. This feature is especially beneficial when working with high torque applications or when using an impact driver.