When selecting eye bolts for lifting, securing, or hanging light to moderate loads, choosing the right size and material matters. This guide focuses on 3/8-inch diameter by 4-inch length options, a common and versatile choice for many DIY and professional projects. Below you’ll find five well-rated eye bolts that balance strength, corrosion resistance, and ease of installation. Each entry includes core specs to help you compare grip, load limits, and fit for indoor or outdoor use.
Summary of selected products:
| Product | Brand | Size | Material | Key Feature |
|---|---|---|---|---|
| National Hardware N347-252 Eye Bolt | National Hardware | 3/8″ x 4″ | Steel | Durable zinc-plated finish |
| Hillman 517 Eyebolts with Nuts | Hillman | 3/8″ x 4″ | Steel | Includes matching nuts |
| Sutekus 1/4″ x 3″ Eye Bolts | Sutekus | 1/4″ x 3″ | Stainless Steel | Includes nuts, washers, drill bit |
| Moroinriz Eye Bolt With Nuts 3/8″ x 4″ | Moroinriz | 3/8″ x 4″ | Stainless Steel | Includes nuts, washers, drill bit |
| Hard-to-Find Fastener Eye Bolts 3/8-16 x 4 | Hard-to-Find Fastener | 3/8″ x 4″ | Steel | Reliable heavy-duty option |
National Hardware N347-252 2160 Eye Bolt — Zinc Plated
National Hardware’s 3/8″ x 4″ Eye Bolt is designed for both home and industrial applications. Made from steel wire for durability, this bolt offers easy installation and zinc plating to resist corrosion in moderate environments. It is suitable for lifting, securing cables, and hanging items where a reliable eye loop is required.
Hillman 517 Eyebolts With Nuts (3/8″-16 x 4″)
Hillman 517 Eyebolts come with matching nuts, making installation straightforward and secure. These 3/8″-16 x 4″ eyebolts are a versatile choice for hanging items or securing cables, with a range of overall lengths to accommodate different mounting surfaces and projects.
Sutekus 1/4″ x 3″ Eye Bolt Set
Note: This option is listed with 1/4″ diameter, 3″ length. It includes nuts, washers, and a drill bit, making it a useful kit for lighter-duty applications where 1/4″ hardware is adequate and ease of installation is a priority. The kit emphasizes corrosion resistance and stability for indoor or sheltered outdoor use.
Moroinriz Eye Bolt With Nuts 3/8″ x 4″ (4 Pack)
This 4-pack features real 3/8″-16 threading, a 4-inch shank length, and a 1-inch inside diameter eye. Each bolt comes with a hex nut, fender washer, and drill bit, designed for simple installation and secure holding power. The set uses stainless steel for enhanced corrosion resistance and long-lasting performance in both indoor and outdoor environments.
National Hardware N221-648 2161BC Eye Bolt
National Hardware N221-648 is a stainless steel 3/8″ x 4″ eye bolt, designed for both home and industrial applications. It includes a hex nut and is non-magnetic, making it a good option for projects requiring stainless steel to resist rust and staining in a range of environments.
Hard-to-Find Fastener Eye Bolts 3/8-16 x 4
Hard-to-Find Fastener offers a straightforward 3/8-16 x 4 eye bolt in steel. This option emphasizes reliable performance for standard lifting and securing tasks, suitable for a variety of workshop and construction applications where standard hardware is needed.
Buying Guide
- Size and thread: For most lifting or securing tasks, a 3/8″ diameter with 16 threads per inch is a common standard. Confirm that the eye bolt has a compatible thread and a shoulder length that fits your mounting surface.
- Material and environment: Stainless steel provides superior corrosion resistance for outdoor use or humid environments. Zinc-plated steel works well indoors or in sheltered outdoor spaces.
- Working load limit (WLL): Check the manufacturer’s stated WLL. Do not exceed this limit; consider safety margins based on your application and the dynamic loads involved.
- Nut and washer availability: Some sets include nuts, washers, and even drill bits to simplify installation. This can improve stabilization and reduce loosening over time.
- Installation method: Look for left-hand or right-hand threads as appropriate, and ensure that you have the proper tools to secure the nut against the shoulder for a tight fit.
- Surface compatibility: If mounting on softer materials (wood, composite), consider using washers or backing plates to prevent pull-through and distribute load.
- Indoor vs. outdoor use: For outdoor projects, prioritize stainless steel or corrosion-resistant alloys to minimize rust and extend lifespan.
- Cost vs. value: Compare included accessories (nuts, washers, drill bits) and the overall kit durability when evaluating price versus long-term usability.