Sheet Metal Screw, #4 x 3/8 in, Zinc Plated Steel Pan Head Square 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..
7/16"-14 x 1-1/4" 18-8 Stainless Steel Coarse Thread Carriage Head Bumper Bolts 25PK The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened..