1/4", US

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.
Hex bolt

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

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.
Machine screw

Machine screws

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

Carriage bolts & Plow bolts

Bolts with no drive, and machine threads for use with a nut.
Lag bolt

Lag bolts

Large wood screws technically called lag screws.
Roofing screws

Roofing screws

Screws designed to be used in metal roofing applications and are available in a variety of colors.
Socket product

Socket screws

Screws with an allen wrench drive.
Set screw

Set screws

Screws with no head and machine threads for use in a tapped hole.
Nut

Nuts

Nuts have internal machine threads, for use with machine thread bolts and screws.
Rod & Stock

Studs, Rod & Stock

Studs, threaded rod, unthreaded rod and keystock for industrial, machining and manufacturing applications.
Hanger bolts & Dowel screws

Hanger bolts & Dowel screws

Hanger bolts and dowel screws are used for adding an external machine or screw thread to wood applications.
Anchors

Anchoring products

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

Eye bolts & Screw eyes

Bolts or screws with a circular ring on the head.
U-Bolt

U-Bolts

U shaped bolts with machine threads for use with a nut on both ends.
J-Bolt

J-Bolts w/ nuts

J shaped bolts with machine threads for use with a nut.
Shackles

Shackles

Shackles are used for a wide range of lifting and pulling applications.
Catalog Image

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

Threaded inserts

For adding a machine thread to hardwoods or softwoods in applications such as furniture assembly and furniture repair.
Elevator bolt

Elevator bolts

Bolts with a very large flat head and machine threads for use with a nut.
Thumb screws

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.
Cotter pin

Cotter pins

Cotter or split pins have two tines which are bent apart to hold them in place.