Item # GR2HHN5/16-18ZP
5/16" - 18 NC HEAVY HEX NUT GRADE 2 ZINC PLATED
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Item # GR2HHN5/16-18ZP
5/16" - 18 NC HEAVY HEX NUT GRADE 2 ZINC PLATED
- UM: EA
The 5/16-18 Grade 2 heavy hex nut is a unc-thread heavy hex nut in a zinc finish stocked at Eugene Fastener & Supply. Part of our full heavy hex nuts selection.
At a glance
| Thread | 5/16-18 UNC (Coarse) |
| Grade | Grade 2 |
| Material | Steel |
| Finish | Zinc |
Good to know
- Coarse (UNC) thread — faster to install and more tolerant of nicks and corrosion.
- A larger, thicker pattern than a finished hex nut — more bearing surface for larger diameters and higher loads.
- Zinc-plated for general indoor and light-outdoor corrosion resistance.
Other sizes in this series — Grade 2 Heavy Hex Nuts
| Size | Part # | Wrench |
|---|---|---|
| 1/4-20 (ZP) | GR2HHN1/4-20ZP | |
| 5/16-18 (ZP) (this page) | GR2HHN5/16-18ZP | |
| 3/8-16 (ZP) | GR2HHN3/8-16ZP | |
| 7/16-14 (PL) | GR2HHN7/16-14PL | |
| 7/16-14 (ZP) | GR2HHN7/16-14ZP | |
| 9/16-12 (PL) | GR2HHN9/16-12PL | |
| 1 1/8-7 (PL) | GR2HHN11/8-7PL | 1-13/16" |
| 1 1/4-12 (PL) | GR2HHN11/4-12PL | 2" |
| 1 1/4-7 (PL) | GR2HHN11/4-7PL | 2" |
| 1 3/8-6 (PL) | GR2HHN13/8-6PL | 2-3/16" |
| 1 5/8-5 1/2 (PL) | GR2HHN15/8-5PL | |
| 1 3/4-5 (PL) | GR2HHN13/4-5PL | |
| 1 7/8-5 (PL) | GR2HHN17/8-5PL | |
| 2-4 1/2 (PL) | GR2HHN2-41/2PL | |
| 2 1/4-4 1/2 (PL) | GR2HHN21/4-4PL | |
| 2 1/2-4 (PL) | GR2HHN21/2-4PL | |
| 2 3/4-4 (PL) | GR2HHN23/4-4PL |
Need a different material, finish, or thread, or bulk pricing? Contact our sales team, or view all heavy hex nuts. Eugene Fastener & Supply, since 1969.
Specifications
| Diameter | 5/16 |
| Thread pitch | 18 |
| Material | Steel |
| Finish | Zinc |
| Part Number | UNC (Coarse) |
| Thread | Heavy Hex Nuts |
| ASME B18.2.2 | |
| Grade 2 |
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