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home > M3 M4 M5 Stainless Steel Eye Bolts Ring Screws – Metric Wire Fencing Tension Screws > M3 M4 M5 Stainless Steel Eye Bolts Ring Screws – Metric Wire Fencing Tension Screws
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M3 M4 M5 Stainless Steel Eye Bolts Ring Screws – Metric Wire Fencing Tension ScrewsStainless Steel Eye Bolts Ring Screws Reliable Metric Fasteners for Wire, Fencing & Rigging Whether you're stringing wire fencing across a property line, tensioning a cable run in a workshop, or securing a rigging point on a boat, finding a fastener that won't corrode, strip, or fail under load is the difference between a job done right and one you'll redo next season. These stainless steel eye bolts ring screws are built for exactly those situations
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Stainless Steel Eye Bolts Ring Screws — Reliable Metric Fasteners for Wire, Fencing & Rigging

Whether you're stringing wire fencing across a property line, tensioning a cable run in a workshop, or securing a rigging point on a boat, finding a fastener that won't corrode, strip, or fail under load is the difference between a job done right and one you'll redo next season. These stainless steel eye bolts ring screws are built for exactly those situations — giving DIYers, contractors, and hobbyists a dependable metric fastener that installs cleanly and holds up outdoors.

Each piece is a fully threaded metric eye bolt machined from stainless steel, featuring a closed ring/loop head for threading wire, cable, or rope. Available in thread sizes M3 (approx. 0.12"), M4 (approx. 0.16"), and M5 (approx. 0.20"), with shank lengths ranging from 8mm (5/16") to 60mm (approx. 2-3/8"). Order in quantities from 1 to 80 pieces per variant to match your project scale.

Typical use cases include wire fencing tension systems, garden trellis cable runs, marine rigging anchor points, electronics chassis strain relief, and light-duty hanging hardware for shelving or signage. The metric thread standard makes these a natural fit for any project using ISO-spec hardware.

🔩 Thread Compatibility: Metric ISO standard — M3, M4, M5. Not compatible with UNC/UNF imperial threads. Verify your tapped hole or nut spec before ordering.

✅ Key Features of These Stainless Steel Eye Bolts Ring Screws

  • 🔗Closed Ring Head Design — The fully enclosed loop allows wire, cable, or rope to pass through securely, making these ideal for wire fencing tension setups and cable management applications.
  • 🛡️Stainless Steel Construction — Resists rust and oxidation in outdoor, coastal, and humid environments where standard carbon steel fasteners would corrode and seize.
  • 📐Full Metric Size Range — Available in M3, M4, and M5 thread diameters with lengths from 8mm to 60mm, covering the most common metric eye bolt sizes for DIY and light industrial use.
  • 📦Flexible Quantity Options — Order as few as 1 piece for a quick repair or up to 80 pieces for a full fencing or rigging project, with per-unit cost decreasing at higher quantities.
  • ⚙️Clean Metric Threading — ISO-standard thread form ensures consistent engagement with metric nuts, tapped holes, and threaded inserts without cross-threading or binding.
  • 🔧Tool-Free or Minimal-Tool Install — Can be threaded by hand or with a rod through the eye for torque, making installation straightforward without specialized equipment for most straining wire and fencing applications.

📐 Technical Specifications — Stainless Steel Eye Bolts Ring Screws

Product Type Eye Bolt / Ring Screw (Closed Loop Head)
Material Stainless Steel
Thread Standard Metric ISO (M-series)
Available Thread Sizes M3, M4, M5
Available Lengths 8mm (5/16") · 10mm (3/8") · 12mm (15/32") · 16mm (5/8") · 20mm (25/32") · 25mm (approx. 1") · 30mm (1-3/16") · 40mm (1-9/16") · 50mm (approx. 2") · 60mm (approx. 2-3/8")
Head Style Closed Ring / Eye Loop
Drive Style Hand-tighten or rod-through-eye
Finish Natural stainless (uncoated)
Quantity Options 1 / 3 / 5 / 10 / 20 / 30 / 50 / 80 pcs
System of Measurement Metric
Country of Origin China
Corrosion Resistance Suitable for outdoor and light marine use — confirm grade for submerged applications
⚠️ Sizing Note: Thread diameter (M3/M4/M5) refers to the outer thread width. Shank length is measured from under the eye to the tip. If you're unsure which size fits your application, contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose the right size eye bolt?

Match the thread diameter (M3, M4, or M5) to your tapped hole or nut size. For length, measure the depth of the material you're threading into and add typically 1.5x the thread diameter for adequate engagement. For example, an M4 bolt threading into 10mm of material generally needs at least 6mm of thread engagement. When in doubt, size up on length — you can always use a nut to limit depth.

What load can these eye bolts handle?

Working load limits vary by size and installation method. M3 eye bolts are generally suited for light-duty applications (typically under 10 kg), M4 for moderate loads, and M5 for heavier rigging tasks. Always apply a safety factor of at least 4:1 and never exceed the rated working load. For critical load-bearing applications, contact us to confirm specifications.

Are these eye bolts suitable for outdoor or marine use?

Yes. Stainless steel provides strong resistance to rust and oxidation, making these generally suitable for outdoor, coastal, and light marine environments. For fully submerged or highly aggressive saltwater applications, the specific alloy grade matters — contact us to confirm suitability before ordering.

What thread standard do these use — metric or imperial?

These use the metric ISO thread standard. M3, M4, and M5 refer to the nominal thread diameter in millimeters. They are not compatible with UNC or UNF imperial threads. If your project uses inch-based hardware, these will not fit.

Can I use these for wire fencing or cable tensioning?

Yes — the closed ring head is specifically designed for threading wire, cable, or rope through for straining wire fencing, garden trellis tensioning, and rigging anchor points. Before ordering, verify that your wire gauge fits through the eye opening of the size you select.

What tool do I need to install these?

In most cases, no special tools are required. These can be threaded by hand into a pre-tapped hole or onto a nut. For higher torque, pass a rod, screwdriver, or bolt through the eye loop to gain leverage. A wrench on a mating nut can also be used to lock the bolt in position.

Do you sell these in bulk quantities?

Yes. Each listing offers quantity options from 1 piece up to 80 pieces per order. Select your preferred size and quantity from the variant selectors above. Per-unit cost generally decreases at higher quantities.

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

M3 M4 M5 Stainless Steel Eye Bolts Ring Screws – Metric Wire Fencing Tension Screws

Item no : 80912724589
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