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Eye bolts are special fasteners with a looped or eye-shaped head, rather than the standard flat or hex head. They are popular in construction, marine, industrial, and mechanical applications and are used to lift, rig, and secure cables, ropes, or chains, and are widely used to rig cables in constructing buildings, ships, and machinery. It is important to know their dimensions, load capacities, and weights to be safe and efficient.
What Are Eye Bolts?
Eye bolts consist of:
- Threaded shank: Standard metric or imperial threads to be held in place.
- Circular eye or loop: This is used to run hooks, ropes or cables through to lift or hold objects.
- Full or shoulder type: Shoulder eye bolts are used to give extra strength to angular loads.
The main advantages of eye bolts:
- Provide safe lifting and rigging points.
- evenly distribute loads in the threaded shank.
- Its types include standard, shoulder, and heavy-duty types, which can be used in different applications.
Why Eye Bolt Weight Matters
The weight of eye bolts affects:
- Calculations on load handling and lifting –Ensures that safe working loads are not overloaded.
- Material planning and procurement – Helps estimate the weight and cost of shipping.
- Safety: Wrong weights or sizes may cause structural failure or accidents.
It is easier to plan installations, lifting work, and bulk orders with the help of a detailed Eye Bolts Weight Chart with the help of kg or lbs.
| Bolt Size (mm) | Thread Length (mm) | Eye Diameter (mm) | Approx Weight (kg/piece) | Weight for 100 pcs (kg) |
| M6 | 20 | 12 | 0.020 | 2.0 |
| M6 | 30 | 12 | 0.030 | 3.0 |
| M8 | 30 | 16 | 0.050 | 5.0 |
| M8 | 40 | 16 | 0.060 | 6.0 |
| M10 | 50 | 20 | 0.100 | 10.0 |
| M10 | 60 | 20 | 0.120 | 12.0 |
| M12 | 60 | 24 | 0.180 | 18.0 |
| M12 | 80 | 24 | 0.220 | 22.0 |
| M16 | 100 | 30 | 0.550 | 55.0 |
| M16 | 120 | 30 | 0.650 | 65.0 |
| M20 | 120 | 36 | 1.20 | 120.0 |
| M20 | 150 | 36 | 1.50 | 150.0 |
| M24 | 150 | 42 | 2.80 | 280.0 |
| M24 | 200 | 42 | 3.50 | 350.0 |
Explanation:
This table shows common metric eye bolt sizes, with thread length, eye diameter, and approximate weight per piece. Bulk weights for 100 pieces help engineers and procurement teams calculate total material handling and shipping requirements.
Eye Bolt Dimensions Table
| Bolt Size (mm) | Shank Diameter (mm) | Eye Diameter (mm) | Eye Width (mm) | Thread Length (mm) | Head Type |
| M6 | 6 | 12 | 4 | 20–30 | Standard Eye |
| M8 | 8 | 16 | 5 | 30–50 | Standard Eye |
| M10 | 10 | 20 | 6 | 50–60 | Standard Eye |
| M12 | 12 | 24 | 7 | 60–80 | Shoulder Eye |
| M16 | 16 | 30 | 8 | 100–120 | Shoulder Eye |
| M20 | 20 | 36 | 10 | 120–150 | Shoulder Eye |
| M24 | 24 | 42 | 12 | 150–200 | Shoulder Eye |
Explanation:
- Shank diameter ensures secure fit into tapped holes or nuts.
- Eye diameter and width determine the size of hooks, ropes, or cables that can be attached.
- Thread length ensures sufficient engagement for lifting and mechanical stability.
- Shoulder eye bolts handle angular loads better than standard eye bolts.
Full Thread vs Shoulder Eye Bolts – Weight Comparison
| Bolt Type | Bolt Size (mm) | Thread Length (mm) | Weight (kg/piece) | Notes |
| Standard Eye | M10 | 60 | 0.120 | Suitable for vertical lifting and general‑purpose rigging where purely in‑line loads are expected. |
| Shoulder Eye | M12 | 80 | 0.220 | Shoulder design provides better support for angular or side‑pull loads, improving safety in off‑vertical lifts. |
| Standard Eye | M16 | 120 | 0.650 | Designed for heavier lifting tasks such as equipment rigging, hoisting, or industrial slings. |
| Shoulder Eye | M16 | 120 | 0.680 | Handles both vertical and angular lifting safely; ideal for multi‑direction load paths and high‑tension setups. |
| Standard Eye | M20 | 150 | 1.50 | Heavy‑duty applications such as large machinery, structural lifting, and crane‑related rigging. |
| Shoulder Eye | M20 | 150 | 1.60 | Supports angular loads and high‑tension configurations; preferred where load direction is not perfectly vertical. |
Explanation:
- Full-thread standard eye bolts are perfect for straight lifting and fastening.
- Shoulder eye bolts are engineered to withstand side loads, providing safety when ropes or cables pull at an angle.
Approximate Weight for Bulk Orders (100 pcs)
| Bolt Size (mm) | Length (mm) | Weight per Piece (kg) | Weight for 100 pcs (kg) |
| M6 | 30 | 0.030 | 3.0 |
| M8 | 40 | 0.060 | 6.0 |
| M10 | 60 | 0.120 | 12.0 |
| M12 | 80 | 0.220 | 22.0 |
| M16 | 120 | 0.650 | 65.0 |
| M20 | 150 | 1.50 | 150.0 |
| M24 | 200 | 3.50 | 350.0 |
Explanation:
This table allows procurement teams and logistics planners to calculate total shipping weight and plan material handling efficiently.
Applications of Eye Bolts
- Lifting and rigging: Attaching cables, hooks, and ropes to lifts that are either vertical or angled.
- Construction and machinery: Securing structural elements or parts of machinery.
- Marine use: Securing boats, moorings or deck fittings.
- Storage in industries: Hanging or fixing heavy equipment or safety harness points.
Safe lifting, load distribution, and the durability of the installation are guaranteed by proper selection.
Conclusion
Eye Bolts Weight Chart are important fasteners that are used to give safe and reliable lifting, rigging and anchoring points used in a broad spectrum of applications- construction and machinery to marine and industrial applications. Their dimensions, type of thread, load capacities, and weights are important to the engineers, technicians, and procurement team to provide safety, efficiency, and appropriate load management.
With weight charts, dimension tables and bulk order estimates, the installation, material handling and shipping could be planned accurately and the option of standard and shoulder eye bolts is to make sure that the vertical and angled loads are not dangerous. Eye Bolts Weight Chart may be used to make secure, long-lasting, and reliable connections in any lifting or fastening job by using the right size, type, and thread length.
To the point, precise information on Eye Bolts Weight Chart specifications limits risk, minimizes material usage, and allows proper functioning in any industrial, building, or shipping setting.