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.

Heavy hex nuts are used in a variety of industrial applications. They are used in the construction of bridges, buildings, wind turbines, ships and various other applications.

Coupling Nut Supply offers domestically manufactured heavy hex nuts in sizes 1 ¾" and above. Heavy hex nuts can be manufactured from domestically melted and drawn material upon request.

• Custom sizes 1 ¾" and above
• Grade Sizes
  • 2
  • 5
  • A194 2H
  • A563 Grades A, B, C & D
• Materials
  • Steel
  • Aluminum
  • Stainless Steel
• Finish
  • Plain, plated, or hot dipped galvanize
• Certified material where required

• View our product guide (pdf)
• Heavy Hex Nut Flyer
• View Heavy Hex Nuts Spec Sheet (pdf)
• Fax, e-mail or use our convenient RFQ web form to send your specifications and we will make exactly what you need.

Give us an opportunity to become your heavy hex nut solution.