| Product Name | High-Strength Structural Bolts |
| Material | Carbon Steel (8.8/10.9/12.9), Stainless Steel (304/316) |
| Surface Treatment | Galvanized, Zinc-Plated, Epoxy-Coated, Chrome-Plated |
| Head Type | Hex Head, Socket Head, Flange Head, Square Head |
| Thread Type | Metric (M6-M30), Imperial (1/4"-1") |
| Tensile Strength | 800MPa-1200MPa (Depending on Grade) |
| Application | Construction, Bridges, Industrial Structures, High-Rise Buildings |
| Certification | ISO 9001, CE, ASTM |
Construction Fasteners with Weather Resistance
We take pride in offering a versatile selection of bolts and fasteners designed to address the unique challenges of various industries. Our heavy construction bolts, built for large-scale infrastructure like dams, tunnels, and airport runways, boast high torque, impact resistance, and skid resistance. Rely on our products to deliver consistent performance, whether in harsh chemical environments, seismic zones, or aesthetic-focused projects.
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Frequently Asked Questions
Are you a factory or a trade company?
We are a company that integrates manufacturing with a professional trade team. We operate 8 automated production lines to support diverse products and services.
What is the lead time for orders?
Standard models typically ship within 7-15 days, while customized or non-standard units require approximately 30–45 days.
Can I request a customized size?
Yes, we specialize in non-standard parts and can produce fasteners exactly according to your technical drawings.
What quality certifications do your products hold?
Our products are manufactured to meet ISO 9001, CE, and ASTM standards, ensuring high strength and reliability.
Do you provide technical support or after-sales service?
Yes, we offer a 1-year quality guarantee and provide 24-hour online technical support to assist with any installation or product queries.
What materials and grades are available?
We provide carbon steel (grades 8.8, 10.9, 12.9) and stainless steel (grades 304, 316) with various coating options like zinc and epoxy.