Industrial-Grade Shield Expansion Anchors for Concrete & Masonry
- Dual Standards: Full range of Metric (M6-M16) and US Fractional (1/4″-5/8″) sizes.
- Premium Materials: Available in Carbon Steel (Zinc/HDG), SS304, and Marine SS316.
- Pre-Assembled: Saves installation time compared to traditional hollow lag shields.
- Factory OEM: Custom sleeve lengths, specialized threads, and logo stamping available.
Pro-Grade Anti-Spin Shield Anchors
Our heavy-duty shield anchors use a 3-piece or 4-piece split shell design. Compared to standard anchor bolts, this expands to grip a much larger surface area inside the hole. It completely stops the anchor from slipping or spinning during installation, making it highly reliable for concrete, hollow brick, and masonry walls.
With 20+ years of experience, T&Y Hardware supplies millions of certified fasteners annually to global construction, machinery, and petrochemical plants. We easily handle both large bulk orders and precise custom parts based on your blueprints. Send us your sizes or drawings today for a direct factory quote.
| Parameter | Specifications |
| Product Name | Heavy-Duty Shield Anchors (3-Piece / 4-Piece Shell) |
| Material | Carbon Steel (Grade 4.8 / 5.8 / 8.8), Stainless Steel (SUS304 / SUS316) |
| Thread Size | Metric: M6 – M16 Inch: 1/4″ – 5/8″ |
| Length Range | Metric: 40mm – 200mm Inch: 1-1/2″ – 8″ (Custom lengths available) |
| Surface Treatment | Yellow Zinc Plated, White Zinc Plated, Hot-Dip Galvanized (HDG) |
| Certifications | ISO 9001 / ISO 14001 / ISO 45001 / RoHS Compliant |
| Suitable Substrates | Concrete, Hollow Brick, Solid Brick, Masonry, Natural Stone |
| MOQ | 1,000 pcs per size (Flexible for initial trial orders) |
| OEM/ODM Service | Supported (Custom branding, non-standard threading, special head types) |
Shield Expansion Anchors – Available Types
Beyond standard expansion bolts with shields, we offer highly flexible bolt options. Whether you need hex bolts, projecting bolts, forged hooks, eye bolts, or just the shield bodies, we can supply or pre-assemble them on demand. We also specialize in advanced OEM customization, including heavy-duty double-cone shield anchors. Just send us your drawings, and leave the rest to us.
Loose Bolt Shield Anchor
Shield Anchor Hook Bolt
Eye Bolt Shield Anchor
Why Choose Us
Certified & Compliant: Our factory is ISO 9001, 14001, and 45001 certified, and all products meet RoHS environmental standards. We smoothly support large overseas corporate audits, government project biddings, and standard customs clearance.
On-Time Delivery: The workshop utilizes fully automated equipment for autonomous scheduling, making the production timeline completely controllable. We guarantee on-time shipments even during peak construction seasons, ensuring no delays to your project schedule.
Reinforced Sea Freight Packaging: We use moisture-proof inner bags and thickened outer cartons, securely strapped and stretch-wrapped onto high-strength, fumigation-free pallets. Designed specifically for long-distance sea transit to prevent damage and ensure goods arrive intact at your port.
Transparent Pricing & Technical Communication: Our sales team fully understands engineering drawings and technical specifications, ensuring barrier-free communication. We offer clear, direct factory pricing with absolutely no hidden fees down the line.
- Shield Anchor Technical Data Sheet (TDS)
- Our certificate
| Thread Size | Bolt Equivalent | Required Drill Bit | Anchor Length | Typical Max Load (Concrete) |
| 1/4″ | M6 | 1/2″ | 1-3/8″ | ~1,000 lbs |
| 5/16″ | M8 | 5/8″ | 1-5/8″ | ~1,500 lbs |
| 3/8″ | M10 | 5/8″ or 3/4″ | 2″ | ~2,200 lbs |
| 1/2″ | M12 | 7/8″ | 2-1/2″ | ~3,500 lbs |
| 5/8″ | M16 | 1″ | 3-1/4″ | ~5,500 lbs |
Related Product
When you tighten the bolt with a wrench, the shield anchor bolt pulls the tapered cone at the bottom upward. This cone forces the outer metal shield to expand outward, tightly gripping the hollow wall and securing the heavy load using immense friction.
Installation is incredibly straightforward. Just drill a hole to the recommended size and depth, blow out the dust and debris completely, and tap the anchor in until it sits flush with the surface. Then, position your fixture over the hole, insert the bolt, and tighten it down firmly with a wrench to fully expand and lock the shield inside the wall.
Shield anchor bolts have high hardness and extremely strong tensile strength, specifically designed for heavy-duty structural fastening in hard walls like concrete. Lead shields are made of very soft lead alloy, generally used with lag screws, and are only suitable for light-to-medium duty fastening in old, lightweight brick walls.
The 3-piece shield is the most commonly used type, suitable for hard, solid, and high-quality concrete. The 4-piece shield provides a stronger grip and is suitable for hollow bricks and softer brick walls; it grips more securely and prevents the wall from splitting.
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