Industrial Square Nuts

A square nut is a four-sided, internally threaded fastener with a flat bottom side and a chamfered, washer-crowned top. They are used with a flat washer to avoid damage and increase the strength of the overall assembly. Square nuts are designed to be used alongside square bolts to create a rustic look in a new structure or match existing fasteners in older structures.

Here at BW Industrial Sales, your satisfaction is our number one priority! Our highly trained and dedicated sales staff can answer your questions about our square nuts, hex nuts, cage nuts, or any other wholesale nut. Our supplies are reliable, durable, and ready to ship. Let us find the best industrial solutions for your unique application!

Stocked Square Nuts

Heavy Square Nuts

Heavy square nuts are wider and thicker than standard square nuts. They are designed to be used with A307 Grade A or Grade B bolts. Heavy square nuts are available made from steel with a plain finish. They are manufactured to meet Rockwell Hardness B68-C32.

Machine Square Nuts

Machine square nuts are the most commonly used square nuts and are specifically designed to be used with machine screws. They offer a greater bearing surface for wrenches compared to other nuts. Threads are Unified Standard, Class 2B, and material options include 18-8 stainless steel (SS), steel black oxide, or steel zinc.

Regular Square Nuts

Regular square nuts apply to a wide variety of fastening projects. These versatile options are available made from Grade B or steel with a cadmium or zinc finish. Diameters range from 1/4" to 1-1/2" with a UNC thread.

Configurations for Square Nuts

Our extensive inventory of square nuts consists of a variety of finishes, sizes, and materials to meet your exact requirements. Square nuts are available with 6 to 56 threads per inch in UNC or UNF thread types. Our standard supply is comprised of Grade B square nuts, steel square nuts, or 18-8 stainless steel (SS) square nuts. Finish options include:
  • Black oxide
  • Cadmium
  • Plain
  • Zinc

Custom Square Nut Supplier

Don’t see the size, configuration, or material for the square nut your application requires? No problem! Our custom manufacturing capabilities and services have you covered. We’ll work with you to create a fully custom solution that meets any specifications.

Square Nuts for Any Application

Our wholesale square nuts are ideal for a variety of applications and industries, including:
  • Building and construction
  • Industrial applications
  • Furniture fastening
  • Providing foundations for hidden fasteners
  • And more!

Your Wholesale Supplier for Industrial Square Nuts

With over 100 years of combined industry experience, BW Industrial Sales is poised to be your complete wholesale industrial square nut supplier. We use cutting-edge VMI solutions and bulk ordering to ensure you will never run out of stock again. Contact us or request a quote today to get started!
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