Bolts

Industrial Grade Hot-Dip Galvanized Hex Bolt & Nut Set | DIN933 Heavy Duty Fasteners

Engineered specifically for heavy-duty operations, this hex bolt features a hot-dip galvanized finish, delivering outstanding corrosion and rust resistance to perfectly adapt to outdoor and humid environments. Manufactured in strict accordance with DIN933 international standards, it ensures seamless compatibility with global supply chains. We offer highly flexible customization services, supporting multiple lengths (20-65mm) and thread specifications (M6-M18). It is widely applied in machinery manufacturing, bridge construction and architectural engineering. With rock-solid quality, it provides you with a reliable fastening solution.

Grade 8 High-Strength Hot-Dip Galvanized Hex Head Bolt Set with Nuts

Grade 8 high-strength hex bolt set in M8-M20 complete with matched nuts. Hot-dip galvanized surface delivers superior corrosion resistance, anti-loosening and durable performance. Standard UNEF threads ensure precise fitting and quick installation. Ideal for machinery, construction, automotive and furniture applications. Stable quality and bulk order supported.

High-Strength Hot-Dipped Galvanized Carbon Steel Hex Bolt

These premium HDG hex head bolts are crafted from high-quality carbon steel for heavy-duty industrial use. Featuring a thick anti-rust zinc coating, they deliver exceptional salt spray and corrosion resistance for harsh outdoor & chemical environments. Available in 4.8–12.9 full strength grades and M3–M52 full sizes with multi-standard threads. Custom service, complete accessories and stable factory supply are provided.

Hot Dip Galvanized Carbon Steel U-Bolt

This hot dip galvanized U-bolt is forged from high-quality carbon steel with excellent tensile strength and deformation resistance. Featuring a sturdy right-angle bending structure and dense zinc coating, it delivers superior corrosion resistance and stable fastening performance. Compliant with multiple international standards, it suits machinery, chemical, construction, and automotive applications, with full customization available.

Hot Dip Galvanized U-Bolt and V-Bolt

These Grade 8.8 HDG U-bolts and V-bolts come complete with matched nuts and washers for easy installation. Made of premium Q235A & Q345B steel, they feature high tensile strength and outstanding outdoor corrosion resistance. Suitable for power, pipeline, fence and mechanical projects, with full size and custom solutions available.

Hot-Dip Galvanized Arc Tunnel Segment Bolt

Specially designed for tunnel and subway shield engineering, this arc segment bolt features dual hot-dip galvanized and Dacromet anti-corrosion coating. Made of premium steel with precise curved structure, it ensures tight segment splicing and stable force bearing. Complete with matched accessories for quick installation, ideal for underground municipal projects with custom support.

HDG Hot-Dip Galvanized Round Head Guardrail Splicing Bolt

These HDG round head guardrail bolts with matched nuts are tailor-made for fence and steel structure splicing. Made of premium carbon steel with hot-dip galvanized finish, they offer great outdoor rust resistance and stable tensile strength. Burr-free round head ensures safe installation. Multiple sizes and strength grades are available with custom services for various municipal and traffic projects.

Hot Dip Galvanized DIN603 Carriage Bolt

Compliant with DIN603 standards, these HDG carriage bolts are made of premium carbon steel in 4.8 and 6.8 grades. Featuring round head and square neck for anti-rotation locking, they ensure tight, stable connections. The hot-dip galvanized coating delivers excellent outdoor anti-corrosion performance. Suitable for construction, machinery, vehicle and agricultural machinery fastening with full size options and custom support.

DIN 912 12.9 Grade Hex Socket Head Cap Screws

Manufactured per DIN 912 standards, these 12.9-grade hex socket head cap screws are heat-treated from premium carbon steel for extreme hardness and strong vibration resistance. Featuring black oxide finish for upgraded wear and anti-rust performance, they fit high-precision, heavy-duty scenarios. Full M6-M36 size options and diverse surface treatments support custom industrial and engineering applications.