5/16"-18 x 2" Coarse Thread Carriage Bolts 5PK The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened..
.Sheet Metal Screw, #8 x 3/4 in, Painted 18-8 Stainless Steel Pan Head Phillips Drive, 100 PK Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.
. Especially useful in metal-to-metal or where heavy duty fastening is required.#6-32 x 2-1/2 in Phillips Pan Machine Screw, Zinc Plated Steel, 20 PK Commonly used with flat or lockwashers.
.Sheet Metal Screw, #8 x 1 in, Chrometint Steel Oval Head Phillips Drive, 25 PK Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.