Nuts

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Nuts, adj.: what you must be to attempt this job.

Nuts used in DIY

Nut hex 5736-2.jpg
Nut square 5737-3.jpg
Nut captive 5739-3.jpg
Wingnut 5743-2.jpg
Nuts nylon lock 5741-2.jpg
Sex bolts 5496-2.jpg
Nut wi captive serrated washer 5742-2.jpg

Hexagon nut

The standard nut

Square nut

Most commonly used with roofing bolts

Wing nut

For tightening by hand

Nylon lock or nylock nuts

The ring of nylon creates friction, preventing the nut coming undone by itself.

Pronged tee

Pronged tee

Has spikes and Fits into a hole in wood. Tightening the bolt pulls the spikes into the wood.

Cross dowel

Interscrews

aka Chicago bolt. A hollow bolt, into which screws a solid bolt. Used to fix kitchen cabinets together.

Flanged nut

Flanged nut

Flange spreads load somewhat like a washer. Ribbing on the flange is intended to discourage the nut from coming loose.

Dome nut

Dome nut

Decorative bright polished chrome dome on the topside of the nut. Used where the nut will be in plain view.

DIY nut

More nuts

There are several other types not usually used in DIY, but available if needed.

Shear nuts

Security shear nuts

The tool driven portion of the nut shears off when tight, leaving a nut that can not be undone with any type of nut driver. A high security nut.

Castellated nut

Castellated nut

Used with a drilled bolt and split pin. Prevents nut coming undone. Used on cars in areas such as wheel bearings.

Rivet bushes

A nut that fixes to a hole in sheet metal. Its riveted in place.

Nut insert

Presses into a hole in metal. Has a ribbed outer edge.

Caged nut

A metal cage holds the nut in place next to a square hole in sheet metal.

Security nut

  • Use a dedicated tool to remove
  • Less secure than shear nuts
  • pic

See Also