Heavy-Duty Eye Bolts for Lifting & Rigging Applications
At Lifting.com, we provide a full selection of industrial-strength eye bolts designed for lifting, anchoring, and rigging in various applications. Whether you need machinery eye bolts, shoulder eye bolts, or regular eye bolts, we offer premium-quality options from trusted brands like Crosby and Chicago Hardware, ensuring strength, reliability, and safety in every lift.
Machinery Eye Bolts – Engineered for Lifting with Shoulder Support
Machinery eye bolts feature a reinforced shoulder, allowing them to handle both vertical and angular loads. However, when used at an angle, their working load limit (WLL) decreases as the angle becomes more extreme. These eye bolts are commonly used for:
- Lifting heavy equipment and machinery
- Permanent lifting points on industrial components
- Multi-directional rigging applications (with proper load calculations)
One of the most recognized options in the industry is Crosby’s 279 Series Machinery Eye Bolts, available in:
- UNC Thread (S-279)
- Metric Thread (M-279)
Both versions are USA-made and meet stringent safety standards for lifting applications.
Shoulder Eye Bolts – Designed for Angled Loads
Shoulder eye bolts, like machinery eye bolts, have a built-in shoulder that provides additional strength for angular lifts. However, as with all eye bolts, their load rating decreases as the lift angle moves away from vertical. These are commonly used in:
- Rigging systems where perfect vertical lifts are not possible
- Machinery and engine lifting applications
- Industrial lifting setups requiring adjustable anchor points
Regular Eye Bolts – Best for Vertical Lifts Only
Regular eye bolts, which lack a shoulder, are only designed for in-line, vertical lifts. They should never be used for angular or side loading, as this can cause bending or failure. These are ideal for tie-downs, anchors, and general rigging applications where no side forces are present.
Understanding Load Limitations & When to Use Hoist Rings
While machinery and shoulder eye bolts can handle some angular loading, their WLL decreases significantly as the lift angle increases. If your application requires multi-directional lifting or frequent off-center loads, a hoist ring or hybrid lifting point is a safer, more efficient alternative. These offer:
- Full rotational movement for safer and more controlled lifts
- Consistent high load ratings even in off-center or angled lifts
- Stronger durability compared to traditional eye bolts in complex rigging applications
Why Choose Eye Bolts from Lifting.com?
- Top Brands – We stock Crosby, Chicago Hardware, and other leading manufacturers, ensuring high-quality, USA-made rigging hardware.
- Wide Selection – Choose from Crosby S-279 & M-279 machinery eye bolts, shoulder eye bolts, and standard eye bolts for your specific application.
- Expert Advice – Our team understands safe lifting and rigging practices and can help you select the right eye bolt or alternative lifting hardware for your job.
Find the Right Eye Bolts for Your Needs
At Lifting.com, we supply durable, high-performance rigging solutions designed for safe and efficient lifting operations. Browse our selection of eye bolts, hoist rings, and lifting hardware today to get the right equipment for your application.