Lifting Eye Bolts A2 304 Stainless Steel M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M24

Match the thread diameter to your tapped hole or nut size. For light-duty cable or wire management anchors, M3–M5 is typically sufficient. For machinery rigging or structural anchor points, M8–M16 is more common. Always verify the working load limit for your specific size against the actual load before use.

The shank length should be long enough for the thread to fully engage the tapped hole or pass through the material with a nut on the back. As a general rule, thread engagement depth should be at least 1× the thread diameter for steel, and 1.5× for softer materials like aluminum. Measure your material thickness and add the required engagement depth to determine the minimum shank length needed.

These are manufactured to a DIN 580 style closed-ring eye bolt form in A2 stainless steel. Working load limits vary by thread size and are not printed on the fastener itself. If you require certified load ratings for safety-critical overhead lifting, consult the working load limit data for your specific size and verify compliance with applicable local standards before use.

A2 304 stainless steel offers good corrosion resistance in most outdoor and mildly corrosive environments. It resists rust and oxidation well in fresh water and general atmospheric exposure. For continuous saltwater immersion or highly chlorinated environments, A4 316 stainless steel is typically recommended. For most workshop, outdoor rigging, and light marine applications, A2 304 performs reliably.

Yes. The closed ring eye is designed to accept standard rigging hooks, snap hooks, carabiners, and shackles. Ensure the inner diameter of the eye is large enough to accommodate your hardware — the eye diameter scales with thread size, so larger M-sizes have proportionally larger eyes. If you need the exact eye inner diameter for a specific size, contact us to confirm.

These listings are for the eye bolts only and do not include nuts. Standard ISO metric coarse hex nuts in the matching thread size (M3–M24) are widely available and will thread directly onto these bolts. If you need matching stainless steel nuts, check our other listings or contact us.

Both options are the same eye bolt in the same size — the only difference is quantity. The 5-piece pack is priced lower per unit than buying five individual pieces, making it a practical choice when you need multiple anchor points in the same size for a project build or want to keep spares on hand.