.Sheet Metal Screw, #6 x 1 in, Zinc Plated Steel Pan Head Combination 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.
A coupling nut is a long nut tapped from each side to meet in the middle, rather than all the way through in the same direction, used to connect two threaded rods end to end..
.Self-Drilling Screw, #12 x 1 in, Stainless Steel Hex Head Hex Drive, 8 PK Ideal for any project involving light gauge sheet metal, awnings, door and window frames, gutters, sheds.