To effectively use hex head bolts, corresponding nuts are required to create secure joints. Hex nuts, which share the same hexagonal shape, allow for a snug fit around the bolt. Similar to bolts, these nuts come in various grades and materials to match the properties of the bolts they are paired with.

3. Toggle Bolts While not purely plastic, these anchors combine a plastic body with a metal toggle mechanism. They are used for extremely heavy applications and are ideal for hollow walls.