Hillman 823604 Sheet Metal Screws No. 4 S X 1/2" L Phillips Oval Head 100ct (7-BOXES) Sheet metal screws, or tapping screws, are highly versatile. Though they are designed to attach metal to metal, they're also used to attach metal to wood, fiberglass, and plastic. Great for general repair around the house, their sharp threads draw materials together and ensure a secure hold. Sheet metal screws are fully threaded with a sharp point. A pre-drilled hole is required for installation. * Thread Type Coarse Container Size 100 Material Stainless Steel Length 1/2" Head Type Oval Head Color Silver Drive Style Phillips Number in Package 1 pk Self Drilling No Packaging Type Boxed Indoor or Outdoor Indoor Callout Size No. 4 Each Weight 1.800 LB Self Tapping Yes Product Type Sheet Metal Screws Point Type Sharp Alternative UPC 723353071663