DIN6914 Heavy Hex Bolts are high-performance structural fasteners engineered to meet the German industrial standard DIN 6914, designed specifically for high-strength connections in construction and heavy machinery. These high-strength hexagon head structural bolts stand out with a larger head that delivers an increased bearing area, paired with a 10.9 material classification for exceptional load-bearing capacity. Often finished with hot-dip galvanization or other corrosion-resistant coatings, they ensure reliability and durability in demanding environments. Whether for bridges, large steel structures, or heavy industrial equipment, DIN6914 bolts are the go-to choice for securing structural integrity and safety.
Engineered to withstand extreme tensile and shear loads without failure, these bolts are critical for maintaining structural stability in high-stress applications. The 10.9 material grade ensures superior strength that meets industrial heavy-duty requirements.
Create long-lasting joints between components, reducing maintenance frequency and costs. The robust design minimizes loosening over time, even in vibrating machinery or outdoor structures.
Available with multiple protective finishes—including hot-dip galvanization (H.D.G), zinc plating, Dacromet, and Zinc Nickel—DIN6914 heavy hex bolts resist rust and environmental corrosion, extending service life in harsh conditions.
Manufactured to tight tolerances, these bolts ensure a precise, secure fit within structures. Their specialized design enhances overall structural integrity for buildings, bridges, and heavy machinery.
By providing reliable, failure-resistant connections, high-strength structural bolts minimize the risk of structural collapse, ensuring greater safety in construction and industrial projects.
Parameter | Details |
Product Name | Hex Bolt (DIN6914 Heavy Hex Structural Bolt) |
Diameter | M3-M72 (3/16''-4''), etc. |
Standard | DIN, GB, ISO, JIS, BA, ANSI |
Material | Carbon Steel, Alloy Steel, Stainless Steel, Brass, etc. |
Certificate | ISO9001-2008, SGS, CTI, RoHS |
Thread Type | M, UNC, UNF |
Finish | Plain, Black oxide, Zinc Plated (Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, Dacromet, Geomet, Magni, Zinc Nickel, Zinteck, etc. |
Packing | Bulk in cartons (25kg Max.) + wood Pallet or custom packaging |
Supply Ability | 1000 tons per month |
Minimum Order | According to customer demand |
Trade Term | FOB/CIF |
Payment Method | T/T, L/C, West Union, Paypal, etc. |
Ideal for connecting components in buildings, bridges, platforms, and towers, ensuring structural integrity in civil engineering projects.
Essential for securing frames, bases, and components of heavy equipment that endure significant stress during operation.
Used in the construction and maintenance of industrial plants, power generation facilities (hydroelectric dams, wind farms), and heavy-duty industrial equipment.
Applied in assembling railway tracks, bridges, and components, where high strength and durability are non-negotiable.
Widely utilized by steel fabrication industries to join steel sections and members in fabricated structures.
Pair DIN6914 bolts with compatible heavy hexagon structural nuts (DIN 6915) and hardened flat washers (DIN 6916) for optimal performance.
Choose the appropriate finish (e.g., H.D.G for outdoor use) based on the operating environment to prevent corrosion.
Tighten bolts to the specified torque to achieve the required preload—critical for high strength friction grip (HSFG) bolts to avoid failure.
Use locknuts, washers, or threadlocking compounds to prevent loosening from vibration or environmental factors.
Check for proper fit and tightness to ensure the connection meets structural requirements.
Yes, we are a direct manufacturer with our own international sales department—we produce and sell all products independently.
Absolutely, we offer customization based on customer requirements for diameter, length, material, and finish.
We provide Carbon Steel, Alloy Steel, Stainless Steel, Brass, and other materials to meet different strength and application needs.
We conduct inspections after every production process, and 100% inspection of finished products per international standards and customer requirements.
Our monthly supply capacity is 1000 tons—lead time varies by order quantity, and we confirm details upon inquiry.
Minimum Order Quantity: Flexible, based on customer demand.
Supply Capacity: 1000 tons per month, supporting large-scale projects.
Trade Terms: FOB/CIF (negotiable based on order requirements).
Payment Methods: T/T (30% deposit, 70% balance against document copy), L/C, West Union, Paypal.
Packaging: Standard 25kg cartons + wood pallet, or custom packaging as requested.
As a professional manufacturer, Donghuang (DONGHUANG) holds ISO9001-2008, SGS, CTI, and RoHS certifications, ensuring strict compliance with international quality standards. We implement rigorous quality control—inspecting every production process and conducting 100% finished product testing—to deliver reliable DIN6914 heavy hex bolts. Our independent production and sales model guarantees cost-effectiveness and on-time delivery, backed by responsive after-sales support for all orders.
