US Fasteners

Slotted hex washer head

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
Machine screws hex washer head

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.
Anchors

Anchoring products

Fasteners for anchoring in stone, concrete, brick, and drywall, etc.