Hex Head Bolt
Hex head bolts feature a hexagonal head design for easy installation with a wrench or socket. They provide stable fastening and are widely used in machinery, steel structures, construction projects, automotive applications, and industrial assembly.
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 (16-300mm) and thread specifications (M8-M42). 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 4.8/8.8 full strength grades and M3–M42 full sizes with multi-standard threads. Custom service, complete accessories and stable factory supply are provided.
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.
12.9 Grade Black Zinc Plated Hex Head Bolts (DIN931 & DIN933)
These DIN931/DIN933 hex bolts come in 10.9 and 12.9 high strength grades with black zinc plated finish for superior rust and salt spray resistance. Made of premium alloy steel with high tensile and yield strength, they support full-thread and half-thread designs. Covering complete M4-M52 specifications, they are ideal for automotive, machinery, steel structure and new energy heavy-duty applications with custom options available.
8.8 Grade GBDIN933/GB5783 Black Oxide Hex Head Bolt
Made of premium carbon steel, they deliver stable high tensile strength and excellent oxidation resistance. Featuring precise standard threads for effortless installation, these durable fasteners fit machinery, construction, automotive and railway projects, with custom packaging and logos available.
Hot Dip Galvanized Heavy Hex Bolts Supplier for Steel Structures
Hot dip galvanized heavy hex bolts for steel structures, bridge projects, tower construction, anchor assemblies, guardrails and outdoor industrial fastening. Custom standards, grades, nuts and washers available.