16, US

US Fasteners, 16
Sheet metal screws Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass or wood.	Hex bolts Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Flange bolts Flange bolts have a flange on the bottom of the head that distributes the load like a washer.	Machine screws Screws with machine threads for use with a nut or in a tapped hole.
Carriage bolts & Plow bolts Bolts with no drive and machine threads for use with a nut.	Drywall screws Construction screws intended for fastening drywall sheets to studs.
Socket screws Screws with an Allen wrench drive.	Set screws Screws with no head and machine threads for use in a tapped hole.
Nuts Nuts have internal machine threads, for use with machine thread bolts and screws.	Studs, Rod & Stock Studs, threaded rod, unthreaded rod and keystock for industrial, machining and manufacturing applications.
Hanger bolts & Dowel screws Hanger bolts and dowel screws are used for adding an external machine or screw thread to wood applications.	Anchoring products Fasteners for anchoring in stone, concrete, brick and drywall, etc.
Eye bolts & Screw eyes Bolts or screws with a circular ring on the head.	U-Bolts U shaped bolts with machine threads for use with a nut on both ends.
J-Bolts w/ nuts J shaped bolts with machine threads for use with a nut.	Turnbuckles An internally threaded sleeve intended for assembly with a threaded stud, eye, hook or jaw at each end used for applying and regulating tension.
Threaded inserts & Rivet nuts For adding a machine thread to material that otherwise cannot be tapped.	Sex bolts & Mating screws Sex bolts resemble machine screws, but with internal threads, and can be used with either specialized mating screws or standard machine screws. Also known as barrel nuts and Chicago bolts.
Shoulder bolts Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.	Elevator bolts Bolts with a very large flat head and machine threads for use with a nut.
Thumb screws Provides a grip for where hand loosening or tightening is needed. Commonly used in applications such as access panels and where frequent adjustment is required.

Associated Products (US Units), 16
Taps & Dies Taps & Dies are tools used to create threads in metal applications.	Rivet nut installation tools Various hand tools and accessories for installing rivet nuts.