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, MCKRS 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 the Nuts Category

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 MCKRS, we have built our business around offering our customers quality bulk nuts and bolts, and we stand behind the quality of our products.


At MCKRS, 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.

The MCKRS 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 34,000 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