Loose cabinet knobs are one of those little annoyances that we tend to deal with occasionally rather than fixing it. But solving the problem for good is easy.
Simple Solution. Use a thread locker, which is available in home centers, to attach the knob. Look closely when you purchase the thread locker – there are permanent and semi-permanent varieties. You want the semi-permanent type in case you ever want to get the knobs off again. Just coat the screw threads and tighten each knob.
