The Hillman Group 823668 Stainless Steel Oval Head Phillips Sheet Metal Screw, Product Description These sheet metal screws, or tapping screws, are highly versatile and are used to attached metal, wood, fiberglass and plastic. The sharp threads draw material together and ensure a secure hold. Sheet metal screws are fully threaded with a sharp point. From the Manufacturer These sheet metal screws, or tapping screws, are highly versatile and are used to attached metal, wood, fiberglass, and plastic. The sharp threads draw material together and ensure a secure hold. Sheet metal screws are fully threaded with a sharp point. Features Designed for joining metal objects, and attaching metal to wood, fiberglass and plastic Sharp threads ensure a secure hold 18-8 Stainless Steel finish makes screw perfect for exterior and most marine applications Design makes it easy for them to tap into and tighten against whatever they are being installed into Pre-drilled hole is required for these screws USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.