Key Applications:
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Industry
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Core Applications
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Coating Type
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Critical Requirements
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Construction
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Steel bridges / Curtain walls / Seismic bracing
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Hot-dip galvanizing
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C5 corrosion resistance (ISO 12944)
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Automotive
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Chassis fastening / Engine mounts / Battery enclosures
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Electro-zinc (blue/white)
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Electrical isolation + Precision fit (DIN 6921)
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Power & Energy
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Transmission towers / Solar mounts / Wind turbine bolts
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Hot-dip galvanizing
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2000h salt spray test (IEC 60068)
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Rail Transit
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Track fasteners / Carriage couplings / Signaling equipment
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Hot-dip + Seal coat
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Vibration-resistant locking (EN 14399)
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Marine
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Deck machinery / Hatch seals / Mooring systems
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Hot-dip galvanizing
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Marine climate resistance (ISO 9227)
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Agricultural
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Harvester drivetrains / Irrigation systems / Tractor suspensions
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Electro-zinc (color)
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Mud-water corrosion resistance (ISO 16047)
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Industrial Machinery
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Pump valves / Mining equipment / Hydraulic systems
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Hot-dip galvanizing
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Product Parameter
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Parameter
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Technical Data
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Competitive Edge
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Standard
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DIN 934 (ISO 4032)
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Dual DE/CN Certification
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Grade
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4.8 / 8.8 / 10.9
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10.9: 35% Higher Load Capacity
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Material
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Carbon Steel Q235 / Alloy Steel 40Cr
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Tensile Strength ≥1040MPa (10.9)
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|
Coating
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Electro-Zinc / Hot-Dip Galvanizing
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Salt Spray: 500h/2000h ↑
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|
Size
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M3-M30
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Tolerance ±2% (Industry ±5%)
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Operating Temp.
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-50℃ to +250℃
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Anti-Seizing Coating
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SERIVCE
Reliable After-Sales Support:Swift resolution for all technical issues & product inquiries. / 20+ Years of Global Export Expertise:Proven experience in international logistics & compliance.
Detailed Product Specifications On Request:Customizable spec sheets for informed purchasing decisions. / Instant Quote Response:Submit inquiries for prompt pricing & solution proposals.
Certified Export Documentation & Timely Shipment:Hassle-free logistics with professionally prepared export papers.
Custom Packaging with Pre-Shipment Visual Verification:Branded/secure packaging with photo confirmation before dispatch.
Premium Quality at Competitive Pricing: Industry-leading products optimized for value & performance.
