Description
Overview
The National Hardware N221-218 Eye Bolt with Nut (N221-218) is designed for general-purpose fastening and lifting applications requiring a secure looped anchor point.
| Brand | National Hardware |
|---|---|
| Manufacturer Part No. | N221-218 |
| Size | 5/16″ x 3-1/4″ |
| Finish | Zinc Plated |
| Includes | Eye Bolt and Nut |
| Weight | 2.20 lb |
| Category | Hardware |
Technical Features
- 5/16″ x 3-1/4″ bolt dimensions provides a defined thread diameter and shank length suited for a range of material thicknesses and mounting depths.
- Zinc-plated finish offers corrosion resistance for indoor and light outdoor environments, extending service life in moderately humid conditions.
- Includes matching nut ensures a complete, ready-to-install fastener assembly without the need for additional hardware.
- Looped eye head design provides a fixed anchor point for attaching hooks, cables, rope, or chain.
Applications
- Securing cables, wire rope, or chain to structural surfaces
- Rigging and lifting anchor points in light-duty applications
- General construction and hardware fastening tasks
- Hanging, suspending, or tethering loads where a fixed loop anchor is required
California Residents: See Prop 65 WARNINGS before use.






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