Hex Coupler Nuts or Hex Spacers are long nuts, generally 3 times the size of the nut and are used to connect any two threaded fasteners, such as threaded rod.
| Stock | Product ID | SKU |
| Nut Coupler Hex M10 Gal | HN10C | 0000839 |
| Nut Coupler Hex M12 Gal | HN12C | 0000323 |
| Nut Coupler Hex M16 Gal | HN16C | 0004029 |
| Nut Coupler Hex M20 Gal | HN20C | 0004700 |