Description
Overview
The National Hardware Eye Bolt with Nut (N221-234) is designed for fastening, lifting, and rigging applications across home, farm, builder, and industrial use cases. Available in a 5/16″ x 5″ configuration with zinc-plated steel construction, this eyebolt delivers corrosion resistance and a defined working load limit suitable for both indoor and outdoor installations.
| Specification | Value |
|---|---|
| MPN | N221-234 |
| Brand | National Hardware |
| Thread Size | 5/16 in. |
| Overall Length | 5 in. |
| Length Under Eye | 3.72 in. |
| Eye Outside Diameter | 0.27 in. |
| Eye Inside Diameter | 0.75 in. |
| Working Load Limit | 90 lb |
| Material | Steel |
| Finish | Zinc-Plated |
| Nut Included | Yes |
| Package Quantity | 1 |
| Weight | 8.09 lb |
| UPC | 038613124028 |
Technical Features
- Zinc-plated steel construction provides corrosion resistance for both indoor and outdoor environments, extending service life in moisture-exposed installations.
- 90 lb working load limit defines the safe operational capacity, allowing installers to match the fastener to load requirements with confidence.
- 5 in. overall length with 3.72 in. shank under eye accommodates installation through thicker substrates while maintaining adequate thread engagement.
- 0.75 in. inside eye diameter provides clearance for hooks, carabiners, cables, or rope attachments commonly used in rigging and tie-down applications.
- 5/16 in. thread size with included nut enables secure, tool-tightened installation without requiring a separately sourced fastener.
- Steel body material delivers structural integrity under mechanical load compared to non-metallic alternatives.
Applications
- Overhead and lateral rigging points in residential, farm, and light industrial settings
- Attachment anchor for cables, ropes, hooks, and tie-down straps
- Latching and fastening installations for gates, doors, and enclosures
- General hardware assembly requiring a threaded eye anchor with nut retention
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