Brand: ShiJingChangTian
Material: Carbon Steel
MOQ: 1000pcs
Delivery Time: 7-30days
Surface Treatment: Black Oxide
Packaging: We will pack and ship according to customer's requirements
Transportation: Ocean
Place of Origin: Handan, Hebei, China
Supply Ability: 7-30days
Port: Shanghai,Lianyungang
Discover premium-grade hex bolts engineered for superior performance in demanding environments. These fasteners are ideal for structural assembly, machinery mounting, and heavy-duty construction projects where strength, durability, and corrosion resistance are non-negotiable. Available in carbon steel, alloy steel, and stainless steel variants—each material selected for its unique mechanical properties—these hex bolts ensure long-term reliability under extreme conditions. With an 8.8 grade high-strength rating, they deliver exceptional torque capacity, heat resistance, and fatigue life, making them a top choice for professionals across global industries.
Key Features:
The hex bolts feature advanced manufacturing techniques that meet international standards for dimensional accuracy and mechanical integrity. Whether you're working with dry indoor settings or harsh coastal environments, these fasteners maintain structural stability. For maximum corrosion resistance, pair black-oxide screws with compatible coated nuts and washers to achieve up to 1,000 hours of salt spray endurance per ASTM B117 testing protocols—a benchmark for quality in fastener engineering.
These versatile fasteners support a wide range of applications including automotive assembly, marine hardware, agricultural equipment, metal framing, and general industrial maintenance. Their robust design makes them suitable for both DIY enthusiasts and professional contractors seeking dependable, long-lasting connections without compromising on ease of installation.
Customers consistently praise the consistent thread quality, reliable grip, and clean appearance after prolonged exposure to weather. Many note how the hexagonal shape ensures compatibility with common wrenches and sockets, while the smooth finish prevents damage to surrounding materials during tightening. Professionals appreciate the availability of multiple configurations—including flange bolts, carriage bolts, U-bolts, and knurled socket heads—to accommodate specialized needs such as vibration damping, concealed head designs, or embedded anchoring systems.
Common Questions: