Eye Bolt Dimensions – Guide to Sizes and Specifications
Eye bolts are widely used for lifting, rigging, and securing loads in construction, industrial, and marine applications. Choosing the right size and type of eye bolt is crucial to ensure safe and effective load handling.
Standard Eye Bolt Dimensions
Eye bolts come in various sizes depending on their thread diameter, shank length, and eye inner diameter. Below is a general reference for standard eye bolt dimensions:
| Thread Size (Diameter) | Eye Inside Diameter (mm) | Shank Length (mm) | Safe Working Load (kg) |
|---|---|---|---|
| M6 | 12 mm | 20-50 mm | 70-100 kg |
| M8 | 16 mm | 25-60 mm | 140-230 kg |
| M10 | 20 mm | 30-75 mm | 230-400 kg |
| M12 | 25 mm | 35-100 mm | 400-600 kg |
| M16 | 35 mm | 45-120 mm | 800-1,200 kg |
| M20 | 40 mm | 50-150 mm | 1,200-2,000 kg |
| M24 | 50 mm | 60-200 mm | 2,000-3,000 kg |
Types of Eye Bolts and Their Uses
| Type | Features | Application |
|---|---|---|
| Standard Eye Bolt | Fixed eye, suitable for vertical loads | Lifting and anchoring |
| Shoulder Eye Bolt | Reinforced shoulder for angled loads | Rigging and lifting |
| Swivel Eye Bolt | Rotates to align with the load | Marine and industrial lifting |
| Lag Eye Bolt | Screws directly into wood | Fencing, overhead fixtures |
How to Choose the Right Eye Bolt
- Load Capacity – Ensure the bolt can handle the intended weight.
- Material – Stainless steel for corrosion resistance, galvanized steel for durability.
- Shank Length – Must be long enough for a secure installation.
- Eye Diameter – Should accommodate the lifting or securing hardware.
Eye bolts are essential in securing and lifting loads safely. Selecting the right dimensions and type ensures a secure, reliable, and long-lasting installation for any application.