US Fasteners

Sheet metal screw

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass, or wood.
Machine screw

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.
Phillips pan head framing self piercing

Drywall screws

Construction screws intended for fastening drywall sheets to studs.
US fastener assortment

Assortments

Fastener assortments in U.S. Sizes.

Metric Fasteners

Metric machine screw

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.
Metric fastener assortment

Assortments

Fastener assortments in metric sizes.