Our Alloy Steel Socket Head Screws with Dacromet Coating are engineered for off-road vehicles, modified wheel hubs, and heavy-duty automotive applications. These screws combine superior tensile strength with advanced corrosion resistance, ensuring reliable performance in harsh environments like mud, water, and salt exposure.
✔ Premium Alloy Steel (Grade 10.9/12.9) – High tensile strength for impact resistance & load-bearing stability in off-road conditions.
Category | Details |
---|---|
Product Name | Alloy Steel Socket Head Cap Screws with Dacromet Coating |
Application | Off-Road Vehicles, Modified Wheel Hubs, Heavy-Duty Suspension Systems |
Material | High-Grade Alloy Steel (Grade 10.9 / 12.9) |
Coating | Dacromet® Zinc-Aluminum Flake (ISO 10683 Certified) |
Standards | ISO 4762 (Hex Socket Head), ISO 898-1 (Mechanical Properties) |
✔ Dacromet Coating (Zinc-Aluminum Flake) – Provides ultra-long-lasting corrosion protection, far outperforming standard zinc plating. Resists rust, chemicals, and extreme weather.
Property | Grade 10.9 | Grade 12.9 |
---|---|---|
Tensile Strength | 1,040 MPa | 1,220 MPa |
Yield Strength | 940 MPa | 1,100 MPa |
Surface Hardness | 320-380 HV | 380-440 HV |
Salt Spray Resistance | >1,000 hours (ASTM B117) | >1,000 hours (ASTM B117) |
Temperature Range | -50°C to +300°C | -50°C to +300°C |
✔ Precision Hex Socket Design – Ensures secure torque transfer, reducing the risk of stripping during installation.
✔ Customizable Sizes & Threads – Available in M6, M8, M10, M12+ and various lengths to fit aftermarket wheel hubs, suspension upgrades, and chassis modifications.
Parameter | Standard Range | Customization Options |
---|---|---|
Diameter | M6, M8, M10, M12 | M4-M24+ (as requested) |
Length | 20mm to 120mm | Up to 300mm+ |
Head Type | Socket Head (ISO 4762) | Button Head, Flat Head, Custom Designs |
Thread Pitch | Standard Metric Coarse/Fine | UNC, UNF, or Special Threads |
✔ Vibration & Loosening Resistance – Ideal for high-stress applications where standard fasteners fail.
✔ ISO 9001 Certified Manufacturing – Consistent quality & durability for professional mechanics and off-road enthusiasts.
✅ Off-Road & 4x4 Wheel Hub Upgrades
✅ Suspension & Chassis Reinforcement
✅ Rally, Rock Crawling & Overlanding Builds
✅ Heavy-Duty Trucks & Utility Vehicles
Longer Lifespan – Dacromet coating prevents rust even in wet, muddy, or salty conditions.
No Galvanic Corrosion – Safe for use with aluminum alloy wheels.
Bulk Order Discounts – Available for workshops & automotive manufacturers.