We have a wide range of Index Bolts available here at HSS. Our range consists of Index Bolts of many sizes and are perfect for many different applications. Index bolts are threaded fasteners used for indexing (movement from one point to another) purposes in machine parts and components. These bolts usually have springs that push the bolts attached to one object into the corresponding opening of another object. Whatever you need, we have it at the touch of a button.