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

Nuts, 5/8"-11

Nut

Hex nuts

A standard six sided nut.

  • Stainless steel 18-8
  • Stainless steel 18-8 - Left hand (reverse) thread
  • Stainless steel 316
  • Zinc plated steel
  • Zinc plated grade 5 steel
  • Zinc plated grade 8 steel yellow
  • Chrome plated steel
  • Hot dipped galvanized steel
  • Brass
  • Silicon bronze
  • Aluminum
Hex nylon insert lock nuts

Hex nylon insert lock nuts

A hex nut with a nylon ring to resist loosening.

  • Stainless steel 18-8
  • Stainless steel 18-8 waxed finish
  • Stainless steel 316
  • Zinc plated steel
  • Zinc plated grade 5 steel
  • Zinc plated grade 8 steel yellow
  • Chrome plated steel
Hex jam nut

Hex jam nuts

A thinner version of a hex nut.

Hex jam nylon insert lock nuts

Hex jam nylon insert lock nuts

A thinner version of a nylon insert lock nut.

  • Stainless steel 18-8
  • Zinc plated steel
Wing nut

Wing nuts

A nut that is installed by hand.

  • Zinc plated steel
Flange nuts

Flange nuts

A nut with a built in washer.

  • Zinc plated grade 5 steel
  • Zinc plated grade 8 steel yellow
  • Grade 8 steel plain finish
Flange nuts serrated

Flange nuts serrated

A nut with a built in washer which is serrated to resist loosening.

  • Zinc plated steel
  • Zinc plated grade 8 steel yellow
  • Grade 8 steel plain finish
Flange nuts nylon insert

Flange nuts, nylon insert

A nut with a built in washer and a nylon insert to prevent loosening.

  • Zinc plated grade 5 steel
  • Zinc plated grade 8 steel yellow
Flange nuts, prevailing torque

Flange nuts, prevailing torque

An all metal lock nut with a built in washer often used in high temperature applications. This style of lock nut deforms the threads of the mated fastener. Can be domed or flat style.

Square nut

Square nuts

A four sided nut.

  • Stainless steel 316
  • Zinc plated steel
  • Hot dipped galvanized steel
Structural nuts A194 grade 2H

Structural nuts A194 grade 2H

Suitable for use with A325 structural bolts.

  • Steel plain finish
  • Hot dipped galvanized steel
Structural nuts A563 grade DH

Structural nuts A563 grade DH

Suitable for use with A325 structural bolts.

Heavy hex nut

Heavy hex nuts

A heavier pattern version of a standard hex nut.

  • Stainless steel 18-8
  • Stainless steel 316
  • Zinc plated steel
Heavy hex jam nuts

Heavy hex jam nuts

A heavier pattern version of a standard hex jam nut. Also known as a propeller nut.

  • Brass
Coupling nut

Coupling nuts

A long nut used to connect pieces of threaded rod or other male threaded fasteners.

Reducer coupling nut

Reducer coupling nuts

A long nut used to connect two different diameters of threaded rod or other male threaded fasteners.

  • Zinc plated steel
Top lock nut

Top lock nuts

A style of prevailing torque lock nut. Also called tri-loc. This style of lock nut deforms the threads of the mated fastener.

Pin-Lock nut

Pin-Lock nuts

These genuine Anco pn-loc nuts do not require high installation torque and can be installed and removed without thread damage.

Two-way reversible lock nut

Two-way reversible lock nuts

A style of prevailing torque lock nut that can be installed either side up. Often used in high temperature applications. This style of lock nut deforms the threads of the mated fastener.

  • Stainless steel 18-8
  • Zinc plated steel
Prevailing torque lock nut

Prevailing torque lock nuts

An all metal lock nut that is often used in high temperature applications. This style of lock nut deforms the threads of the mated fastener.

Castle nut

Castle nuts

A nut used in conjunction with a cotter pin.

  • Stainless steel 18-8
  • Brass
Slotted nut

Slotted nuts

A nut used in conjunction with a cotter pin.

Cap nut

Cap nuts

A nut with a finished top that covers the end of the bolt. Bolts must be in the proper length.

  • Stainless steel 18-8
  • Stainless steel 316
  • Chrome plated steel
  • Brass
Acorn nut

Acorn nuts

A high crown type of cap nut used for appearance. Bolts must be in the proper length.

  • Chrome plated steel
Forged eye nut

Forged eye nuts

Forged nuts with an oval link used to secure cable, wire and chain.