Metric Eye Bolt Screws A2 Stainless Steel — M3 M4 M5 M6 M8 M10 Lifting Ring Bolts - HomeDIYer

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Metric Eye Bolt Screws A2 Stainless Steel — M3 M4 M5 M6 M8 M10 Lifting Ring Bolts

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Thread Dia x Length: M3 x 9mm

Pack of Quantity(Pcs): 1

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Metric Eye Bolt Screws A2 Stainless Steel — Reliable Lifting & Rigging Hardware for M3 to M10 Applications

Whether you're rigging a pulley system in your workshop, hanging heavy planters on a pergola, or securing cable runs in a marine environment, finding an eye bolt that won't corrode, strip, or fail under load is non-negotiable. These metric eye bolt screws in A2 stainless steel are built for DIYers, fabricators, riggers, and contractors who need dependable hardware across a wide range of thread sizes.

Each piece is a one-body lifting ring bolt with a fully formed closed eye and a metric threaded shank. Available in thread diameters from M3 (≈0.12") to M10 (≈0.39") and shank lengths from 9mm (≈3/8") up to 40mm (≈1-9/16"), with pack sizes of 1, 2, 3, 4, 5, 6, 8, 10, or 15 pieces depending on the size selected. The eye ring is sized to accept standard shackles, carabiners, hooks, and wire rope — see variant options for exact ring dimensions. Material is A2 stainless steel (equivalent to AISI 304), providing solid corrosion resistance without the cost of A4/316 grade.

Typical use cases include workshop overhead rigging and pulley anchor points, outdoor hanging hardware for gates, signs, and garden structures, and light-to-medium cable management and tie-down anchor installations. The metric thread standard makes these stainless steel lifting eye bolts a direct fit for metric-threaded fixtures common in European-spec machinery, aluminum extrusion frames, and modern DIY hardware systems.

🔩 Compatibility: ISO metric coarse thread (DIN 580 style) — fits standard M3, M4, M5, M6, M8, and M10 tapped holes and nuts. Not compatible with UNC/UNF inch-thread fittings.

✅ Key Features of These Metric Eye Bolt Screws

🦾A2 Stainless Steel Construction — Resists rust and oxidation in outdoor, humid, and light marine environments without surface coatings that can chip or peel over time.
📐Wide Size Range: M3 to M10 — Covers the most common metric thread diameters for lifting ring bolt applications, from fine detail rigging (M3) to medium structural loads (M10).
🔗Closed-Eye Ring Design — The fully enclosed eye loop accepts shackles, carabiners, snap hooks, and wire rope clips, reducing the risk of accidental disengagement under load.
📦Flexible Pack Quantities — Order exactly what you need: single pieces for one-off repairs or multi-packs (up to 15 pcs) for rigging projects, production runs, or keeping spares on hand.
⚙️Metric Coarse Thread Compatibility — Follows ISO metric standards, making these stainless steel eye bolt screws a direct fit for metric machinery, aluminum extrusion systems, and European-spec hardware.
🚢Corrosion-Resistant for Outdoor Use — A2 grade stainless steel performs reliably in rain, humidity, and light coastal conditions, making these lifting eye bolts suitable for garden, workshop, and outdoor rigging setups.

📐 Technical Specifications — Metric Lifting Eye Bolt Screws

Material	A2 Stainless Steel (AISI 304 equivalent)
Thread Standard	ISO Metric Coarse (DIN 580 style)
Available Thread Diameters	M3, M4, M5, M6, M8, M10
Available Shank Lengths	9mm (≈3/8") · 11mm (≈7/16") · 12mm (≈15/32") · 15mm (≈19/32") · 16mm (≈5/8") · 18mm (≈23/32") · 20mm (≈25/32") · 25mm (≈1") · 30mm (≈1-3/16") · 40mm (≈1-9/16")
Eye / Ring Type	Closed eye (fully enclosed loop)
Eye Ring Dimensions	See variant options
Surface Finish	Natural stainless (no coating)
Pack Sizes Available	1, 2, 3, 4, 5, 6, 8, 10, 15 pcs (varies by size)
Working Load Limit	See variant options / Contact us to confirm
Head / Drive Type	Ring eye (no drive — install by threading shank)
Country of Origin	Contact us to confirm

⚠️ Size Tip: Not sure which length to order? The shank length listed (e.g., "M6 x 16mm") refers to the threaded portion only. Make sure your material thickness plus any washer or nut engagement falls within that length. When in doubt, size up.

❓ Frequently Asked Questions

How do I choose the right size eye bolt for my project?

Match the thread diameter to your tapped hole or nut size. For example, M6 x 12mm (≈1/4" x 15/32") works well for light-duty hanging tasks, while M10 x 30mm (≈3/8" x 1-3/16") is generally suited for heavier rigging. Always verify the thread pitch and length against your application before ordering. A quick rule: the shank length should be at least 1.5× the thread diameter for reliable engagement.

What load capacity can these eye bolts handle?

Working load limits vary by size and installation angle. As a general guideline, smaller sizes like M3–M5 are typically used for light-duty tasks (hanging décor, cable management), while M8–M10 are generally rated for heavier rigging applications. Always consult a load table and apply an appropriate safety factor — typically 4:1 or higher for overhead lifting. Contact us to confirm rated WLL for your specific size.

Are these eye bolts suitable for outdoor or marine use?

Yes. A2 stainless steel (equivalent to 304 grade) offers good corrosion resistance in most outdoor environments including rain, humidity, and light coastal exposure. For highly aggressive marine or coastal environments with prolonged saltwater immersion, A4 (316) stainless steel is generally recommended. Contact us if you have specific environmental requirements.

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

These are metric coarse-thread eye bolts following the ISO metric standard (DIN 580 style). They are compatible with standard metric nuts and tapped holes of the corresponding size (M3, M4, M5, M6, M8, or M10). They are not compatible with UNC or UNF inch-thread fittings. If your existing hardware uses SAE/imperial threads, these will not fit.

Can I use these eye bolts for overhead lifting?

These eye bolts are designed for lifting and rigging applications when properly installed. For overhead lifting, always ensure the bolt is fully threaded into a load-bearing surface, use a shoulder-type eye bolt for angled loads (plain shank eye bolts should only be loaded axially), and never exceed the rated working load limit. Consult a qualified engineer for critical or personnel-lifting operations.

How do I convert the metric lengths to inches?

Here are quick conversions for the available shank lengths:

9mm ≈ 3/8"
11mm ≈ 7/16"
12mm ≈ 15/32"
15mm ≈ 19/32"
16mm ≈ 5/8"
18mm ≈ 23/32"
20mm ≈ 25/32"
25mm ≈ 1"
30mm ≈ 1-3/16"
40mm ≈ 1-9/16"

What is the difference between A2 and A4 stainless steel for eye bolts?

A2 stainless steel (304 grade) is the most widely used grade, offering good corrosion resistance for general outdoor, workshop, and light marine use. A4 (316 grade) contains molybdenum for enhanced resistance to chlorides and prolonged saltwater exposure. For most DIY, workshop, and general rigging applications, A2 is typically sufficient and more cost-effective.

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

Metric Eye Bolt Screws A2 Stainless Steel — M3 M4 M5 M6 M8 M10 Lifting Ring Bolts

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Metric Eye Bolt Screws A2 Stainless Steel — Reliable Lifting & Rigging Hardware for M3 to M10 Applications

✅ Key Features of These Metric Eye Bolt Screws

📐 Technical Specifications — Metric Lifting Eye Bolt Screws

❓ Frequently Asked Questions

Metric Eye Bolt Screws A2 Stainless Steel — M3 M4 M5 M6 M8 M10 Lifting Ring Bolts

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