Beading Cords & Threads
Self Tapping Screws are designed to advance when turned, creating their own threads in the material...
US$10.17
Unlike tapping screws, these screws drill a hole and tap a thread in a single operation. All you nee..
US$10.02
Sheet metal screws have a pointed end and widely spaced threads. They're self-starting in thin sheet..
US$4.79




