How do I convert metric sizes to inches?

A quick reference: M6 ≈ 1/4", M8 ≈ 5/16", M10 ≈ 3/8", M12 ≈ 1/2", M16 ≈ 5/8". These are nominal approximations — metric and imperial threads are not interchangeable.

Lifting Eye Bolts A2 Stainless Steel Metric M3–M36 | Ring Screws for Rigging & Marine - HomeDIYer

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Lifting Eye Bolts A2 Stainless Steel Metric M3–M36 | Ring Screws for Rigging & Marine

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Size: M3

Materials: A2 Stainless Steel

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Stainless Steel Eye Bolts Metric M3–M36 — Reliable Lifting & Rigging Hardware

Whether you're rigging a sailboat, hanging heavy equipment in a workshop, or securing loads on a trailer, finding a stainless steel eye bolt that won't corrode, strip, or fail under load is non-negotiable. Contractors, marine riggers, and serious DIYers all face the same frustration: undersized hardware that looks fine until it doesn't. These A2 stainless steel lifting eye bolts are built for people who need dependable metric ring screws across a wide range of applications.

Each order includes your chosen quantity (1, 2, 5, or 10 pieces) of fully threaded metric eye bolts in A2 stainless steel (equivalent to 304 grade). Sizes range from M3 (≈3mm / 0.12") through M36 (≈36mm / 1.42"), covering 15 thread diameters to match virtually any metric tapped hole or nut. The ring head is welded closed for a smooth, continuous loop, and the shank features standard ISO coarse-pitch metric threads for secure engagement.

These metric eye bolt ring screws are ideal for marine rigging and sailboat hardware, overhead lifting points in garages and workshops, cable management and wire rope anchoring, and general construction tie-down applications where corrosion resistance is essential.

🔩 Thread Compatibility: ISO metric coarse pitch (M3–M36). Fits standard metric nuts and tapped holes. Not compatible with UNC/UNF imperial threads. Confirm your thread standard before ordering.

✅ Key Features of These Stainless Steel Eye Bolts Metric

🦀A2 Stainless Steel Construction — Made from A2 (304-grade equivalent) stainless steel for strong resistance to rust, oxidation, and salt spray — a reliable choice for marine and outdoor rigging hardware.
📐Wide Metric Size Range — Available in 15 thread diameters from M3 through M36, so you can source the exact metric eye bolt size your project demands without substituting an ill-fitting alternative.
🔄Closed Welded Ring Head — The continuous loop ring is fully welded shut, providing a secure attachment point for hooks, shackles, wire rope, and carabiners used in lifting eye bolt rigging setups.
🧵ISO Coarse-Pitch Metric Threads — Standard metric thread pitch ensures compatibility with off-the-shelf metric nuts and tapped holes, making installation straightforward without special tooling.
📦Flexible Pack Quantities — Order 1, 2, 5, or 10 pieces per size so you get exactly what your job requires — whether it's a single replacement or a multi-point rigging installation.
🏗️Versatile Application Range — Suited for overhead lifting points, cable anchoring, boat hardware, workshop hoists, and tie-down systems where a corrosion-resistant ring screw is needed.

📐 Technical Specifications — Metric Eye Bolt Ring Screws

Material	A2 Stainless Steel (304-grade equivalent)
Thread Standard	ISO Metric Coarse Pitch
Available Sizes	M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M24, M27, M30, M36
Size Range	M3 (≈0.12") — M36 (≈1.42")
Ring Type	Closed welded loop
Pack Quantity Options	1 Pcs / 2 Pcs / 5 Pcs / 10 Pcs
Shank Length	See variant options
Ring Inner Diameter	See variant options
Working Load Limit	Contact us to confirm for your specific size
Finish	Natural stainless (brushed)
Corrosion Resistance	Suitable for outdoor and coastal environments
Country of Origin	See variant options

⚠️ Heads up: Shank length and ring inner diameter vary by size. If you need exact dimensional drawings for your application, please contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right eye bolt size?

Match the eye bolt thread diameter to your tapped hole or nut size. For example, M6 (≈1/4" nominal) is typically used for light-duty hanging fixtures, while M10–M16 are generally preferred for heavier rigging loads. A quick inch reference: M6 ≈ 1/4", M8 ≈ 5/16", M10 ≈ 3/8", M12 ≈ 1/2", M16 ≈ 5/8". Always verify the thread pitch of your application before ordering.

What load can these eye bolts handle?

Working load limits vary by size. As a general guideline, smaller sizes like M6 are typically rated for light loads (generally under 100 kg), while larger sizes such as M16–M24 can handle significantly heavier loads. Always consult a load table for your specific size and apply an appropriate safety factor — typically 4:1 or higher for overhead lifting applications.

Are these eye bolts suitable for outdoor or marine use?

Yes. A2 stainless steel (equivalent to 304 grade) offers strong resistance to rust and oxidation, making these ring screws well-suited for outdoor, coastal, and marine environments. For highly aggressive saltwater or chemical exposure, A4 (316) grade is generally recommended. In most coastal and freshwater marine applications, A2 performs reliably.

What thread standard do these use — metric or imperial?

These are metric thread eye bolts following the ISO standard coarse pitch (e.g., M6×1.0, M8×1.25). They are not compatible with UNC/UNF imperial threads. Please confirm your application uses metric threads before purchasing. If you're unsure, measure your existing bolt or nut with a thread gauge.

Can I use these for vertical lifting?

These eye bolts are designed for in-line (vertical) lifting when fully threaded and seated flush against a load-bearing surface. For angular or side-pull loads, a shoulder-pattern eye bolt is generally recommended. Always ensure the bolt is fully engaged and torqued before applying any load, and never exceed the rated working load limit.

Do you sell these in bulk quantities?

Yes — each listing offers 1, 2, 5, or 10-piece packs so you can order exactly what your project requires. For larger volume needs beyond 10 pieces, please contact us through the store and we'll be happy to assist with bulk pricing.

How do I convert metric eye bolt sizes to inches?

A quick reference guide: M3 ≈ 1/8", M4 ≈ 5/32", M5 ≈ 3/16", M6 ≈ 1/4", M8 ≈ 5/16", M10 ≈ 3/8", M12 ≈ 1/2", M16 ≈ 5/8", M20 ≈ 3/4", M24 ≈ 1". These are nominal approximations — metric and imperial threads are not interchangeable, so always use the correct metric fastener for metric tapped holes.

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

Lifting Eye Bolts A2 Stainless Steel Metric M3–M36 | Ring Screws for Rigging & Marine

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Beschreibung

Stainless Steel Eye Bolts Metric M3–M36 — Reliable Lifting & Rigging Hardware

✅ Key Features of These Stainless Steel Eye Bolts Metric

📐 Technical Specifications — Metric Eye Bolt Ring Screws

❓ Frequently Asked Questions

Lifting Eye Bolts A2 Stainless Steel Metric M3–M36 | Ring Screws for Rigging & Marine

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