Threaded inserts and T-nuts provide a way to use bolts or other threaded hardware to attach things like legs, headboards or backsplashes to furniture quickly and easily, with the added benefit that the pieces can be taken apart — or knocked down — with very little fuss.
While it may seem as if the uses for this sort of joint would be limited, it is surprising how often they come in handy. And sometimes they are the only solution.
It may appear that inserts and T-nuts