M8 M10 Closed Hook Eye Bolt Shield Anchor — 304 Stainless Steel Expansion Bolt

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Sale price$4.99 USD
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In stock (500 units), ready to be shipped

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Description

M8 M10 Closed Hook Eye Bolt Shield Anchor — Reliable Expansion Fastening for Concrete & Masonry

When you need a secure, permanent anchor point in concrete, brick, or block — whether for hanging a swing, routing cable, or mounting a heavy fixture — a loose or undersized fastener is not an option. Contractors, DIYers, and facility maintenance teams rely on closed hook eye bolt shield anchors to deliver a fixed, load-rated attachment point that stays put under dynamic and static loads alike.

Each piece in this listing is a complete closed hook eye bolt shield anchor assembly. The hook eye features a fully closed loop (no open gap) for secure attachment of carabiners, shackles, hooks, or wire rope. Made from 304 stainless steel, these expansion bolts resist rust and surface oxidation in most indoor and outdoor environments. Available thread and length combinations include M8×50mm (≈2\u201d), M8×70mm (≈2.75\u201d), M8×80mm (≈3.15\u201d), and M10×60mm (≈2.36\u201d). Quantity options of 1, 2, or 5 pieces let you order exactly what your project requires.

Typical applications include hanging ceiling-mounted swings and hammock chairs from concrete slabs, securing cable management anchors to masonry walls, mounting outdoor planters and lighting fixtures to brick facades, and anchoring safety lines or rigging points in workshops and garages.

🔩 Compatible with: Solid concrete · Brick · Block · Masonry — M8 (metric 1.25mm pitch) & M10 (metric 1.5mm pitch) thread standard. Not suitable for hollow walls or drywall without additional backing.

✅ Key Features of These Closed Hook Eye Bolt Shield Anchors

  • 🔒Fully Closed Hook Eye — The loop is completely closed with no gap, preventing accidental disengagement of carabiners, shackles, or wire rope under load — a critical safety advantage over open-hook designs.
  • 🦾304 Stainless Steel Construction — Resists surface rust and oxidation in outdoor, humid, and light-marine environments, making these expansion bolts a durable choice for long-term installations.
  • ⚙️Shield Expansion Mechanism — The sleeve expands radially as the bolt is tightened, creating a mechanical interlock with the base material for a firm, vibration-resistant hold in concrete and masonry.
  • 📐Multiple Thread & Length Options — Choose from M8×50mm, M8×70mm, M8×80mm, or M10×60mm to match your wall thickness, embedment depth, and load requirements without over-engineering the anchor.
  • 🧰Straightforward Installation — Drill the correct diameter hole (typically 10mm for M8, 12mm for M10), insert the anchor, and tighten — no special tools beyond a standard hammer drill and wrench required.
  • 📦Flexible Pack Sizes — Available in 1, 2, or 5-piece quantities so you can grab a single anchor for a one-off repair or stock up for a larger installation project without paying for excess hardware.

📐 Technical Specifications — Closed Hook Eye Bolt Shield Anchor

Product Type Closed Hook Eye Bolt Shield Wall Anchor (Expansion Bolt)
Material 304 Stainless Steel
Hook Style Fully Closed Eye / Loop (no open gap)
Thread Standard Metric (M8 / M10)
Available Thread × Length M8×50mm (≈2\u201d) · M8×70mm (≈2.75\u201d) · M8×80mm (≈3.15\u201d) · M10×60mm (≈2.36\u201d)
Thread Pitch (M8) Typically 1.25mm
Thread Pitch (M10) Typically 1.5mm
Anchor Type Shield / Sleeve Expansion
Recommended Drill Bit (M8) 10mm masonry bit
Recommended Drill Bit (M10) 12mm masonry bit
Compatible Base Materials Solid concrete, brick, block, masonry
Finish Brushed / natural stainless steel
Pack Quantity Options 1 Pcs / 2 Pcs / 5 Pcs
Corrosion Resistance Good (304 SS — suitable for most outdoor & humid environments)
Country of Origin See variant options
Certifications / Standards Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right length for my closed hook eye bolt?

Generally, the bolt length should provide at least 3–4 times the thread diameter of embedment depth for a secure hold. For M8 bolts, a 50mm (≈2\u201d) length is typically sufficient for lighter loads in solid concrete, while 70mm (≈2.75\u201d) or 80mm (≈3.15\u201d) lengths are better for thicker walls or heavier loads. The M10×60mm (≈2.36\u201d) option is generally suited for medium-to-heavy applications. Always account for the material thickness and the minimum embedment depth specified for your base material.

What load capacity can these expansion bolts handle?

Load capacity depends on the base material, embedment depth, and installation quality. In solid concrete, M8 shield anchors typically support working loads of 200–400 lbs (90–180 kg) in shear, and M10 anchors generally handle higher loads. Always apply a safety factor and consult a structural engineer for critical or overhead load-bearing applications.

Are these eye bolts suitable for outdoor or wet environments?

Yes. These are made from 304 stainless steel, which provides good corrosion resistance in most outdoor and humid environments. For highly corrosive environments such as coastal or marine settings, 316 stainless steel is generally recommended. Inspect periodically if used in harsh conditions.

What thread standard do these bolts use — metric or imperial?

These bolts use standard metric threads. M8 has a nominal diameter of 8mm with a typical pitch of 1.25mm, and M10 has a nominal diameter of 10mm with a typical pitch of 1.5mm. They are not compatible with UNC/UNF imperial thread systems without an adapter.

What base materials are these shield anchors compatible with?

These closed hook eye bolt shield anchors are designed for use in solid concrete, brick, block, and masonry. They are not recommended for hollow walls, drywall, or soft materials without additional backing. Always verify the base material's compressive strength before installation.

What drill bit size do I need to install these expansion bolts?

For M8 shield anchors, you typically need a 10mm masonry drill bit. For M10 shield anchors, a 12mm masonry drill bit is generally required. Use a hammer drill for best results in concrete or brick. Drill depth should match or slightly exceed the anchor's embedment length.

Can I use these eye bolts for hanging swings, hammocks, or heavy fixtures?

These closed hook eye bolts are commonly used for hanging applications such as swings, hammock chairs, planters, and lighting fixtures from concrete ceilings or masonry walls. Always verify the rated load for your specific size and base material, and apply an appropriate safety factor — typically 4:1 for overhead or dynamic load applications.

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

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