L.H. Dottie HWSMS10112 Sheet Metal Screw, Hex Washer Head, Slotted, 10 by 1-1/2-Inch Length, 5/16-Inch Hex, Zinc Plated, 100-Pack Sheet metal screws Hex washer head Slotted Zinc plated steel Invincibox up to 2-Inch length