The extended “wings” allow easy turning by hand.80, Stainless Steel, 50 PK The wing nut is ideally suited for situations where tension adjustment or removal is frequently required.Wing Nut, M5-0..
Sheet Metal Screw, #6 x 3/16 in, Zinc Plated Steel Pan Head Phillips Drive, 50 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.