Nut Categories

Nuts and bolts are among the most expansive categories of hardware. Options run the gamut, with coupling, locking, flanged, hex, square and more. We offer numerous material, finish and size options. When it comes to industrial nuts and bolts, Fastener Superstore has a comprehensive selection for your manufacturing or assembly needs. We provide products in bulk so that your business is stocked with reliable, well made fasteners. When it comes to the hardware you use, it always pays to do business with the best.

Below, find a full listing of the nut categories we carry. Please don't hesitate to contact us with any specific product or pricing questions.

Select a Category Below

Acorn Nuts

Used For Decorative & Safety Applications When Mating Threads are Exposed.
Cage Nuts

Free-Floating Square Nuts Inside a Spring Steel Cage. Steel / Zinc & Stainless.
Castle Nuts

Reduced Diameter, Cylindrical Slotted Top Allows for Insertion of Pins.
Clinch Nuts

Also Called Press In Nuts; Used In Thin Sheet Metal Applications.

Conduit Locknuts

Minimal Surface Are with Protruding Lobes Allows For Low Profile & Hand Turning.
Coupling Nuts

Internal Threads at Both Ends Allows Joining of Studs & Bolts.
Finished Hex Nuts

Most Common & Versatile Style of Hex Nut. US Made Options Available.
Flex Locknuts

Segmented Collar Creates Prevailing Torque Locking Action When Tightened.

Heavy Hex Nuts

Thicker & Wider Across The Flats Than Standard Hex Nuts. In Steel, Grade 5, Galvanized & Stainless
Hex Flange Nuts

Hex Nut with Extended Flange Bearing Surface -- Many Available with Underside Serrations for Additional Locking / Holding Strength.
Hex Jam Nuts

Two-Thirds Thinner than Standard Hex Nuts. Available in multiple materials, including Stainless.
Keps Nuts

Attached Free Spinning Washer Provides Extra Hold -- Standard Keps Nuts have an External Tooth Lockwasher, Conical Keps Nuts have Conical Washers.

Left Hand Hex Nuts

Standard Finished Hex Nuts that Tighten to the Left Side.
Machine Screw Nuts

Thinner than Finished Hex Nuts; Used with Machine Screws. Hex & Square Options in Steel and Stainless Steel.
Metric Nuts

Metric Acorn, Hex, Flange, Jam, Keps, Nylon Insert, Wing Nuts and more.
Mil-Spec Nuts

Hex Nuts that have been tested and certified to Military standards. Manufacturer's certification included.

Nylon Hex Nuts

Standard Sized Hex Nuts Which Are Manufactured in 6/6 Nylon.
Nylon Insert Locknuts

Nylon Insert at Collar Restricts Movement. Light Hex, Heavy Hex & Metric Options.
Panel Nuts

Used in Switch & Electrical Applications; Offer Smaller Surface Area Than Standard Nuts.
Rack Mounting Nuts

Cage & Clip Nuts Used For Rack Mounting. Sizes 10-32, 12-24 & M6 in Steel / Zinc.

Rivet Nuts / Threaded Inserts

Large Flange, Small Flange & Ribbed Options in Aluminum & Steel / Zinc Yellow. Available in Standard and Metric Threads.
Slotted Hex Nuts

Slotted Cuts in the Top of the Hex Allow for Insertion of Pins.
Square Nuts

Standard & Heavy Styles; Offered in Steel / Zinc, Galvanized & Plain Options, Grade 5 Plain and Zinc, and 18-8 Stainless Steel.
Stover Locknuts

All Metal One Piece Locknuts; Controlled Distorted of Top Threads Creates Hold.

Structural Nuts

A194 Grade 2H & A563 Grade DH; For Use with Structural Bolts & Washers.
Tee Nuts

3, 4 & 6 Prong Style with Varying Barrel Lengths, Available in Steel & Stainless Steel.
Tinnerman Style Nuts

Tinnerman Style Parts: Cage & Clip Nuts, J Type, U Type, Flat Type & Hat Style.
Two Way Reversible Locknuts

Prevailing Torque Type Locknut. Indentations on the Flats Provide Locking Action.

Weld Nuts

Tab Weld Nuts in multiple configurations, also Hex Projection, Round Base Styles, and Square Weld Nuts.
Wing Nuts

Stamped, Cold Forged & Washer Based Styles in Steel / Zinc. Cold Forged also in Stainless and Metric Sizes.

The Benefits of Quality Nuts and Bolts

Builders and contractors understand the importance of reliable hardware down to each individual nut. Whatever your project, it is always smart to use nuts and bolts of the highest quality. Strength and resistance to corrosion matter at every level of your project. From nuts and bolts to rivets and spacers, the right hardware can make all the difference. At Fastener Superstore, we have built our business around offering our customers quality bulk nuts and bolts, and we stand behind the quality of our products.

The Fastener SuperStore Difference

Our customers know that they can trust Fastener Superstore for their hardware and fastener needs. We offer an enormous range of options and are happy to serve as your one-stop shop for fasteners of all kinds, including nuts, bolts, washers, rivets, standoffs and more. As a manufacturer or contractor, you know the difference it makes to have everything you need under one roof for easy ordering and quick turnaround. What exactly makes Fastener Superstore stand out as a leading provider of nuts and bolts?

Our warehouse includes more than 45,000 distinct parts to meet your needs
We post comprehensive pricing guides online for easy ordering
We require no registration to buy our products in bulk, so you can easily get the hardware you need when you need it
Most of our orders ship on the day they are ordered
Our customers can order however is easiest for them — phone, email, online or fax
Our customer service team works extended hours to ensure you get the help you need
For larger orders, we are happy to provide you with additional quotes

At Fastener SuperStore, we work hard to give you a unique experience. We work closely with each of our customers to ensure that they have the right hardware for the job, in the right quantities

Contact Us Today!

Our customer service team is standing by to help with your order; and don’t forget to check out our quick and easy online options for ordering and expedited shipping.

Fastener SuperStore has been in business for over a decade, and we have the experience to know what works best. Contact our team today to learn more about what we can do for you.

Nut Categories

Select a Category Below

Acorn Nuts

Cage Nuts

Castle Nuts

Clinch Nuts

Conduit Locknuts

Coupling Nuts

Finished Hex Nuts

Flex Locknuts

Heavy Hex Nuts

Hex Flange Nuts

Hex Jam Nuts

Keps Nuts

Left Hand Hex Nuts

Machine Screw Nuts

Metric Nuts

Mil-Spec Nuts

Nylon Hex Nuts

Nylon Insert Locknuts

Panel Nuts

Rack Mounting Nuts

Rivet Nuts / Threaded Inserts

Slotted Hex Nuts

Square Nuts

Stover Locknuts

Structural Nuts

Tee Nuts

Tinnerman Style Nuts

Two Way Reversible Locknuts

Weld Nuts

Wing Nuts

The Benefits of Quality Nuts and Bolts

The Fastener SuperStore Difference

Contact Us Today!