GoVets offers a wide selection of Drill Bit Accessories in the Drill Bit Accessories sub-category in the Drilling & Drill Bits category to help customers complete their projects. Drill bit shanks are the cylindrical part of the drill bit that fits into the chuck of the drill. They come in a variety of sizes and shapes and are used to hold the drill bit in place while drilling. Shop today to find the right drill bit shank for your project.