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Help CenterWedge Anchor Hot Dip Galvanized Long Thread Full Sizes ETA Approved for Concrete Infrastructure Projects
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About Hefei SENOTECH New Materials Co., Ltd: We are a dedicated trading company established in 2020, with an annual export value of US$1–1.5 million, serving diverse markets across North America, South America, Europe, Asia, Africa, and Oceania. Our wedge anchor hot dip galvanized long thread full sizes ETA approved is engineered for demanding concrete infrastructure projects—offering superior corrosion resistance, reliable load performance, and European technical approval. Whether you need anchors for bridges, highways, tunnels, or industrial foundations, this product delivers the strength and longevity your project requires.
Product Description
Our wedge anchor with hot dip galvanized finish and long thread design is available in a full range of sizes (M6 to M24) and has received ETA (European Technical Assessment) approval, making it an ideal choice for fastening in cracked and non-cracked concrete. The long thread allows for greater adjustability and accommodates thicker fixtures, while the hot dip galvanized coating provides excellent protection against rust and corrosion in harsh environments—including high humidity, chemical exposure, and freeze-thaw cycles.
Key Features & Benefits
Hot Dip Galvanized Coating: Provides a thick, uniform zinc layer (typically 50–85 µm per ASTM A153 or EN ISO 1461) for long-lasting outdoor use—significantly outperforming electroplated zinc.
Long Thread Design: Extended threaded portion enables secure fastening even when anchor bolts protrude through thick baseplates or multiple layers of hardware; reduces risk of thread stripping.
Full Sizes (M6–M24): Comprehensive size range covering light to heavy-duty applications; available with corresponding nuts and washers upon request.
ETA Approval (Option 1): The anchor has been tested and assessed according to European Assessment Document (EAD) for wedge anchors, ensuring reliable performance in concrete under both static and seismic loads (ETA option 1 for cracked concrete).
Easy Installation: Simple hammer-in setting for solid concrete; no special tools required – just drill, clean, insert, and torque the nut.
Versatile Applications: Suitable for concrete infrastructure such as road barriers, steel columns, handrails, cable trays, machinery bases, and structural steel connections.
Typical Technical Specifications (Sample Sizes)
| Size (mm) | Anchor Length (L) | Thread Length | Drill Hole Diameter | Effective Embedment Depth (hef) | Tightening Torque (Nm) |
|---|---|---|---|---|---|
| M10 | 90–120 | 35–50 | 14.5 mm | 60–75 mm | 30–40 |
| M12 | 110–160 | 40–60 | 16.5 mm | 70–90 mm | 50–60 |
| M16 | 125–200 | 50–75 | 20 mm | 90–115 mm | 80–100 |
| M20 | 150–250 | 60–90 | 24 mm | 110–140 mm | 120–150 |
Note: Exact dimensions and torque values may vary depending on concrete strength class (e.g., C20/25, C30/37). Full load data available upon request.
Quality Assurance & Trust
Every batch of our wedge anchors is manufactured under strict quality control procedures. Hefei SENOTECH New Materials Co., Ltd has successfully supplied customers across 10+ global regions including North America, Europe, and Southeast Asia, achieving an annual export turnover of US$1–1.5 million. Our team ensures that all products meet the required ETA performance criteria for concrete infrastructure projects, providing documented test reports and traceability. We offer flexible packaging options (bulk, carton, or custom labeling) and can arrange third-party inspection if needed.
Frequently Asked Questions (FAQ)
Q: What does ETA approval mean for this wedge anchor?
A: ETA (European Technical Assessment) confirms that our anchor has been independently tested and meets the requirements of the European Assessment Document for wedge anchors, ensuring reliable performance in cracked and non-cracked concrete under both static and seismic loading conditions.Q: Is the hot dip galvanized coating compliant with any standard?
A: Yes, our hot dip galvanizing process follows EN ISO 1461, providing a zinc layer typically ranging from 50 to 85 µm, which offers excellent corrosion resistance for outdoor and industrial environments.Q: Can I order custom lengths or non-standard sizes?
A: Absolutely. While we stock full sizes (M6–M24) with standard lengths, custom lengths and thread configurations are available upon request subject to minimum order quantities (MOQ).Q: What concrete strength grade is required for these anchors?
A: Our ETA approved wedge anchors are designed for use in normal-weight concrete of strength classes C20/25 to C50/60. For lower strength concrete, please consult technical data for derating factors.Q: How do I install the wedge anchor correctly?
A: Drill a hole of the specified diameter to the required depth, clean the hole thoroughly, insert the anchor, tap it flush with the concrete surface, then tighten the nut to the recommended torque. Do not overtighten.Q: Are these anchors suitable for use in earthquake zones?
A: Yes, the ETA approval (Option 1) covers seismic performance categories C1 and C2, making them appropriate for seismic applications in concrete infrastructure.Q: Do you provide samples before bulk order?
A: Yes, we can offer samples (freight collect or prepaid) for testing and qualification. Contact our sales team for more details.Q: What packaging options are available?
A: Standard packaging: bulk in cartons with proper cushioning. Custom packaging such as polybags, blister packs, or private labeling can be arranged.
Ready to enhance your concrete infrastructure project? With proven ETA approval, full size coverage, long thread flexibility, and hot dip galvanized protection, our wedge anchors deliver the durability and reliability your construction demands. Contact Hefei SENOTECH New Materials Co., Ltd for competitive pricing, technical support, and fast global shipping.
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