Do I need a special tool to install these eye bolts?

No special tools are required. For smaller sizes (M3–M6), hand-tightening is often sufficient for light-duty use. For larger sizes or load-bearing applications, use a wrench or rod through the eye for additional torque. Always ensure full thread engagement before applying any load.

Stainless Steel Lifting Eye Bolts M3 to M24 — A2 304 Grade, Metric

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Stainless Steel Lifting Eye Bolts M3 to M24 — A2 304 Grade, Metric

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Eye Bolt Size: M3 x 9mm

Pack of Quantitie（PCS）: 1

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$6.23 USD

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In stock (500 units), ready to be shipped

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Stainless Steel Lifting Eye Bolts — Secure Anchor Points for Any Metric Thread

Whether you're rigging a pulley system in the workshop, anchoring a hammock to a deck beam, or securing cable runs on a boat, finding a reliable eye bolt that won't rust out after one season is a constant frustration. Contractors, riggers, and serious DIYers need a fastener that holds its integrity under load and in wet conditions — not one that seizes or corrodes after a few months outdoors.

These lifting eye bolts are machined from A2/304 stainless steel and are available in metric thread sizes from M3 to M24, with shank lengths ranging from 9mm (≈3/8") up to 200mm (≈7-7/8"). Each bolt features a fully closed round ring head for secure hook, shackle, or rope attachment. Order as a single piece or in packs of 5 or 10 to cover multi-point installations.

Typical use cases include overhead lifting anchor points in garages and workshops, rope and cable attachment for outdoor structures, marine deck hardware and rigging, wire management anchors in electrical and AV installations, and theatrical rigging for stage and event setups where a reliable stainless steel eye bolt metric fastener is required.

🔩 Thread Compatibility: ISO metric coarse thread (M3–M24). Fits standard metric nuts, threaded inserts, and tapped holes per ISO 68-1. Not compatible with UNC/UNF inch threads.

✅ Key Features of These Stainless Steel Lifting Eye Bolts

🦾A2/304 Stainless Steel Construction — Resists rust, oxidation, and mild chemical exposure, making these eye bolts suitable for outdoor, marine, and humid indoor environments where carbon steel would corrode.
🔗Fully Closed Round Ring Head — The continuous closed loop prevents hooks, shackles, or carabiners from slipping out under load, providing a more secure connection than open or bent-eye designs.
📐Wide Size Range: M3 to M24 — From compact M3 × 9mm (≈3/8") anchors for light-duty cord attachment to heavy M24 × 40mm (≈1-9/16") bolts for structural rigging, one product line covers the full metric spectrum.
🧵ISO Metric Coarse Thread — Standard pitch threads ensure compatibility with off-the-shelf metric nuts, threaded inserts, and tapped holes without the need for special tooling or adapters.
📦Flexible Pack Quantities (1, 5, or 10 pcs) — Buy a single bolt for a one-off repair or grab a 10-pack for multi-anchor installations; per-unit cost decreases with larger packs.
🔧Tool-Free Installation for Smaller Sizes — M3–M6 sizes can typically be hand-tightened into pre-tapped holes or with a standard nut, while larger diameters accept a rod or wrench through the eye for added torque without specialized equipment.

📐 Technical Specifications — Lifting Eye Bolts

Material	A2 / 304 Stainless Steel
Thread Standard	ISO Metric Coarse (DIN 580 style)
Thread Diameter Range	M3 — M24
Shank Length Range	9mm (≈3/8") — 200mm (≈7-7/8")
Head / Ring Style	Round closed ring (lifting eye)
Finish	Bright / natural stainless (uncoated)
Pack Quantities Available	1 pc, 5 pcs, 10 pcs
Drive Style	No drive (ring head; wrench or rod through eye)
Corrosion Resistance	Good — suitable for outdoor and light marine use
Country of Manufacture	China
Specific Size / Length	See variant options
Working Load Limit	Contact us to confirm — varies by size and installation

⚠️ Size Note: Thread diameter and shank length are listed in the variant selector (e.g., M6 × 30mm). Verify your tapped hole diameter and required grip length before ordering. When used for overhead lifting, always confirm the working load limit with a qualified engineer.

❓ Frequently Asked Questions

How do I choose the right eye bolt size and length?

Match the thread diameter (M3, M6, M10, etc.) to your tapped hole or nut size. For shank length, measure the material thickness (grip length) and ensure you have at least 1.5× the bolt diameter in thread engagement. For example, an M6 bolt threading into 10mm of material typically needs at least 9mm of thread engagement — an M6 × 20mm (≈3/4") is a common starting point. When in doubt, size up to the next length.

What load can these eye bolts handle?

Working load limits vary by diameter, installation angle, and thread engagement depth. Generally, A2 stainless eye bolts in this range support loads from a few kilograms (M3) up to several hundred kilograms (M20+) when loaded axially with full thread engagement. Always apply an appropriate safety factor and consult a structural engineer for critical or overhead lifting applications.

Are these eye bolts suitable for outdoor or marine use?

Yes. A2 (304) stainless steel provides good corrosion resistance in most outdoor environments, including light coastal exposure. It is well-suited for garden structures, decks, boat rigging, and general outdoor fastening. For highly aggressive saltwater or chemical environments, A4 (316) stainless is generally recommended for longer service life.

What thread standard do these eye bolts use — are they compatible with standard metric hardware?

All sizes use standard ISO metric coarse threads (e.g., M6 × 1.0mm pitch, M8 × 1.25mm pitch). They are fully compatible with standard metric nuts, threaded inserts, and tapped holes following ISO 68-1 specifications. They are not compatible with UNC or UNF inch-standard threads.

Can I use these for rigging, rope, or cable attachment?

Yes. The fully closed round ring head is designed for attaching hooks, shackles, carabiners, wire rope, or cord. Ensure the attachment hardware fits the ring opening of your chosen size. Larger diameters (M10 and above) are generally preferred for heavier rigging tasks. Always verify the ring opening dimensions match your hardware before ordering.

How many pieces come in each order, and is there a bulk discount?

You can select 1, 5, or 10 pieces per order using the Pack of Quantities option in the variant selector. Multi-packs offer a lower per-unit cost compared to single-piece orders and are ideal for projects requiring multiple anchor points, such as rigging systems, cable management grids, or multi-point lifting frames.

Do I need special tools to install these eye bolts?

No special tools are required. For smaller sizes (M3–M6), hand-tightening is often sufficient for light-duty use. For larger sizes or load-bearing applications, insert a rod or wrench through the eye ring for additional torque. Always ensure full thread engagement before applying any load, and use thread-locking compound if vibration is a concern.

🛒 Select your eye bolt size and quantity above, then add to cart — ships from our US warehouse.

Stainless Steel Lifting Eye Bolts M3 to M24 — A2 304 Grade, Metric

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Description

Stainless Steel Lifting Eye Bolts — Secure Anchor Points for Any Metric Thread

✅ Key Features of These Stainless Steel Lifting Eye Bolts

📐 Technical Specifications — Lifting Eye Bolts

❓ Frequently Asked Questions

Stainless Steel Lifting Eye Bolts M3 to M24 — A2 304 Grade, Metric

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