Coupling Nut Supply is a U.S. manufacturer of Standard Rod Coupling Nuts and Specialty Application Fasteners. Custom sizes are our specialty.

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What we offer to the fastener industry:

  • Custom Sizes
    • We manufacture custom fasteners for construction and other applications
    • Sizes range from #4-40 to 12 inches in diameter, and up to 14" in length
  • Delivery
    • One week or less on specials when the material is stocked
    • Same day shipping on stock orders
  • Precision Machining
    • Our engineering group has developed a streamlined process flow to ensure efficient production with consistent results.
  • Stocking/Warehousing Programs
    • Standard products are stocked
    • Four stocking warehouses