A2 Stainless Steel Eye Nuts & Eye Bolts — Lifting Ring Screws M3 to M42

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Description

A2 Stainless Steel Eye Bolts & Eye Nuts — Reliable Lifting Ring Fasteners from M3 to M42

Whether you're rigging a load, routing a cable, or hanging a fixture, finding a lifting ring fastener that won't corrode, strip, or let you down is frustrating. DIYers, riggers, and tradespeople alike need hardware that holds up — indoors and out. These A2 stainless steel eye bolts and eye nuts are built for exactly that.

Each piece is machined from A2 stainless steel (equivalent to 304 grade), offering a smooth, corrosion-resistant finish. Available in two types — Eye Nut (internally threaded, screws onto a stud or rod) and Eye Bolt (externally threaded shank, screws into a tapped hole or secured with a nut) — and sold in packs of 1, 3, or 5 pieces. Sizes range from M3 (≈0.12") up to M42 (≈1.65") for eye nuts, and M3 up to M36 (≈1.42") for eye bolts, covering the full spectrum of light-duty to heavy-duty metric applications.

Typical use cases include overhead cable and rope routing in workshops and garages, light rigging and load-lifting on scaffolding or machinery, and DIY garden and outdoor structures such as swing sets, pergolas, and hanging planters. The metric thread standard makes these stainless steel lifting ring screws compatible with standard ISO hardware found throughout the US and internationally.

🔩 Compatibility: Standard ISO metric threads (M3–M42). Compatible with metric threaded rods, bolts, and tapped holes. Eye Nuts fit onto studs; Eye Bolts thread into tapped holes or are secured with a standard metric nut.

✅ Key Features of These A2 Stainless Steel Eye Bolts & Eye Nuts

  • 🦀Corrosion-Resistant A2 Stainless Steel — Machined from A2 (304-grade) stainless steel for reliable rust resistance in outdoor, humid, and light marine environments — far outlasting zinc-plated or carbon steel alternatives.
  • 📏Wide Size Range: M3 to M42 — With 16 sizes available for eye nuts and 14 for eye bolts, you can find the exact metric thread size for any project, from delicate M3 cable guides to heavy-duty M42 lifting points.
  • 🔄Two Functional Types in One Listing — Choose between an Eye Nut (threaded internally, mounts on a stud) or an Eye Bolt (threaded shank, mounts into a hole), so you get the right fastener geometry for your specific mounting configuration.
  • 📦Flexible Pack Quantities — Order 1, 3, or 5 pieces per pack to match your project needs without overstocking. Multi-packs offer better value for larger installations or when you need spares on hand.
  • ⚙️Standard ISO Metric Thread Form — Threads conform to standard metric specifications, ensuring smooth engagement with compatible nuts, rods, and tapped holes without cross-threading or fitment issues.
  • 🏗️Versatile for DIY, Trade & Light Industrial Use — Suitable for hanging fixtures, routing ropes and cables, garden structures, rigging anchor points, and general-purpose fastening wherever a threaded lifting ring is needed.

📐 Technical Specifications — Stainless Steel Eye Bolt & Eye Nut Lifting Ring Fasteners

Material A2 Stainless Steel (304 grade equivalent)
Types Available Eye Nut (internally threaded) / Eye Bolt (externally threaded shank)
Thread Standard ISO Metric (standard pitch)
Size Range — Eye Nut M3 (≈0.12") to M42 (≈1.65")
Size Range — Eye Bolt M3 (≈0.12") to M36 (≈1.42")
Available Sizes M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M24, M27, M30, M36, M42
Pack Quantities 1 pc / 3 pcs / 5 pcs
Finish Natural stainless (brushed/smooth)
Corrosion Resistance Good — suitable for outdoor and light marine use
Working Load Limit See variant options — varies by size and application
Shank Length (Eye Bolt) See variant options — varies by size
Ring Inner Diameter See variant options — varies by size
Country of Origin Contact us to confirm
⚠️ Size Tip: If you're unsure which size fits your application, measure your existing threaded rod or hole diameter and match it to the M-size. For example, an M8 thread has a nominal diameter of 8mm (≈5/16"). Contact us if you need help selecting the right size.

❓ Frequently Asked Questions

How do I choose the right size eye bolt or eye nut?

Match the thread size (M3–M42) to your existing bolt, stud, or tapped hole. The M-number refers to the nominal thread diameter in millimeters. Common conversions: M6 ≈ 1/4", M8 ≈ 5/16", M10 ≈ 3/8", M12 ≈ 1/2". When in doubt, go one size up for a safety margin, or contact us with your measurements.

What load capacity can these eye bolts and eye nuts handle?

Working load limits vary by size and application. Generally, smaller sizes (M3–M6) are suited for light-duty tasks like cable routing and hanging fixtures, while M10 and above are typically used for heavier rigging and lifting. Always apply an appropriate safety factor and consult a load rating chart for your specific size before use in any load-bearing application.

Are these suitable for outdoor or marine environments?

Yes. A2 stainless steel offers good corrosion resistance in most outdoor and humid environments, including light coastal exposure. For highly aggressive saltwater or chemical environments, A4 (316) stainless is generally recommended. These are well-suited for garden structures, outdoor rigging, and general DIY applications exposed to weather.

What thread standard do these use — metric or imperial?

These use standard ISO metric threads (M3 through M42). They are compatible with standard metric nuts, bolts, and threaded rods. They are not designed for imperial (UNC/UNF) threads. If you need imperial sizes, please contact us.

What is the difference between an eye nut and an eye bolt?

An Eye Nut has an internal (female) thread — it screws onto a threaded rod or bolt stud, functioning like a nut with a lifting ring on top. An Eye Bolt has an external (male) threaded shank — it screws into a tapped hole or is secured with a standard nut, functioning like a bolt with a lifting ring. Choose based on your mounting setup.

Can I use these for hanging, rigging, or routing cables and ropes?

Yes. These stainless steel lifting ring fasteners are commonly used for hanging light fixtures and planters, routing cables or ropes through structures, light rigging anchor points, swing sets, pergolas, and general DIY projects. Always verify the load rating for your specific size before use in any load-bearing or overhead application.

Can I order just one piece, or do I have to buy a pack?

You can order as few as 1 piece — simply select "1" from the Pack of Quantity option. Packs of 3 and 5 are also available if you need multiples for a larger project or want spares on hand. Multi-packs are priced to offer better value per piece.

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

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