Sheet metal screws are an essential fastener for working with thinner metal. Sometimes used with fiberglass, wood, or plastic. These coarse threaded screws are available with a self tapping or self drilling point. Sheet metal screws come in a variety of head types, finishes, and drive styles to match the needs of your project. Commonly used to secure panels and covers in HVAC and electrical applications. Made from zinc plated steel for durability. Use with a hex drive. Includes 100 sheet metal screws to complete your project. Self Drilling. Reusable packaging.