Panel screws are thumb screws that attach to panels with a retaining washer (not included), staying in place even before tightening. They have an easy-grip head that allows for simple €œby-hand€ installation, like conventional thumb screws. The large panel screw has an extra large head with straight knurled surface for additional grip for manual adjustment.

The black oxide coating provides some lubricity to the product, meaning that there is less friction generated when using these products. The coating also provides a mild corrosion resistance, but should not be relied on in environments where corrosion resistance is a primary concern. The panel screw has a one-piece construction for strength.

A threaded fastener's size name includes information about the major external diameter, followed by the threads per inch, which indicates if it is coarse or fine.