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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.

2. Improved Aesthetics The countersunk head design provides a neat appearance, especially in visible or decorative applications. This feature is vital for projects where aesthetics are as crucial as functionality.