Coupling Nut Supply sells products through leading fastener distributors throughout the United States.

Heavy hex nuts are the strongest of all the comparably graded nut designs because of its greater length of thread engagement and greater resistance to dilation (widening or stretching). Our heavy hex nuts are manufactured in accordance with ASTM standard.…

We manufacture custom spacers for manufacturing and other applications. Custom spacers are ideal for bearing adjustment and constant force spacer applications. They are an advanced solution to shimming and wavy washers. Assembly time is greatly reduced, accuracy and precision are…

Our team of professionals will work with your company to ensure your exact needs and specifications are met. Whether low volume or high volume, we offer quick turnaround and competitive pricing. While we also distribute standard fasteners, our specialty is…

Non Distributors: Thank you for visiting our web site! Distributors: Please click on Distributor Locator for a list of distributors in your area. Please fill out all bold required fields. Specifications Length (L) Diameter (D) (E) Thread (d) Distance from…

Engineering Coupling Nut designs processes to manufacture fasteners at the highest quality level in the most efficient manner possible. Certification of production standards Verification of manufacturing process capable to these standards Quality Our experience in the fastener industry ensures that…

CNS is positioned to offer solutions to your toughest structural fastening problems. We combine high quality materials, extensive application knowledge and expert manufacturing to create fastening products for industrial uses. We are able to respond quickly to assure the success…

Our manufacturing facility is capable of making custom made parts used for prototypes or replacement parts. 100,000 square foot manufacturing facility 20 ton overhead crane running the length of the building Indoor loading dock Part storage supporting JIT inventory Various…

Custom Sizes Are Our Specialty CNS has the knowledge, experience, and precision workmanship to manufacture what you need. Same day quoting, call us for current pricing, and availability We stock coupling nuts with witness inspection holes Same day shipping on…

Click map to enlarge. Coupling Nut Supply is conveniently located in Johnson Creek, WI – 1 mile from I-94 (30 miles from Milwaukee – 90 miles from Chicago – 50 miles from Madison) Directions What does over 40 years experience…