Description
Overview
The National Hardware Eye Bolt with Nut (N221-077) is designed for fastening and latching applications across home, farm, builder, and industrial use cases. Constructed from steel with a zinc-plated finish, this 3/16 in. x 2-1/2 in. eye bolt provides corrosion resistance and a rated working load limit suitable for a wide range of functional hardware needs.
| Specification | Value |
|---|---|
| Manufacturer Part Number (MPN) | N221-077 |
| Brand | National Hardware |
| Material | Steel |
| Finish | Zinc-Plated |
| Thread Size | 3/16 in. |
| Overall Length | 2-1/2 in. |
| Length Under Eye | 1.69 in. |
| Eye Outside Diameter | 0.16 in. |
| Eye Inside Diameter | 0.5 in. |
| Working Load Limit | 40 lb |
| Nut Included | Yes |
| Packaging | Bagged |
| Weight | 4.59 lb (package) |
Technical Features
- Zinc-plated steel construction provides corrosion resistance, extending service life in both indoor and outdoor environments.
- 3/16 in. thread diameter x 2-1/2 in. overall length delivers a compact fastening profile suited for light-duty load-bearing installations.
- 0.5 in. inside eye diameter accommodates standard hooks, cables, and rope, enabling quick attachment to rigging or fastening hardware.
- 40 lb working load limit clearly defined capacity supports safe and code-conscious installation planning.
- 1.69 in. length under eye provides adequate thread engagement depth for secure anchoring in standard materials.
- Nut included allows immediate installation without sourcing additional hardware, reducing assembly time.
Applications
- Indoor and outdoor latching and fastening assemblies in residential, farm, and light commercial settings.
- Anchoring point for cables, ropes, hooks, or bungee cords where a rated 40 lb load limit is appropriate.
- General builder and industrial hardware installations requiring a corrosion-resistant zinc-plated fastener.
California Residents: See Prop 65 Warnings before use.






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