Automotive stud bolts are precision-engineered fasteners designed to connect critical components in vehicles, such as engine blocks, exhaust manifolds, suspension systems, and wheel hubs. These double-ended threaded rods offer superior strength, vibration resistance, and serviceability—ideal for high-stress and high-temperature applications.
🔧 Product Specifications
Type: Automotive Stud Bolt / Engine Stud / Wheel Stud / Exhaust Stud
Thread Size: M6, M8, M10, M12, M14, M16, M18
Length: 20mm – 200mm (customized available)
Thread Type: Metric Coarse / Fine / Unified Thread (UNC/UNF)
Thread Length: Equal or Asymmetrical (e.g. L1 ≠ L2)
Material Options:
- Carbon Steel (Grade 8.8 / 10.9)
- Alloy Steel (SCM435 / B7)
- Stainless Steel (304 / 316)
Surface Finish: - Zinc-Plated (White/Yellow)
- Phosphate Black
- Geomet / Dacromet Coating
- Hot Dip Galvanized (HDG)
Thread Standard: ISO / DIN / SAE / ASTM
🚗 Typical Automotive Applications
- Cylinder Head and Engine Block Mounting
- Exhaust Manifold Connections
- Shock Absorber and Suspension Joints
- Turbocharger & Intake Systems
- Brake System Assembly
- Wheel Hub Stud Replacement
✅ Key Advantages
✔️ Dual-threaded design allows precise torque application and easy maintenance
✔️ High tensile strength and fatigue resistance under extreme vibration
✔️ Heat-treated for durability in engine compartments and exhaust systems
✔️ Protective coatings to resist corrosion, rust, and thermal degradation
✔️ Custom thread and shank lengths to match OEM or aftermarket specs
📦 Packaging & Supply Support
MOQ: 1000 pcs per model
Packaging: Plastic Bag + Carton / Bulk Bag / Custom Label
Lead Time: 7–15 days depending on specification
OEM Services: Available for drawings, samples, logo, and packaging
Export Markets: North America, Europe, South Korea, Middle East, Latin America
🔩 Looking for M6–M18 automotive stud bolts that meet ISO and OEM standards?
We offer high-performance, vehicle-grade fasteners built to last under pressure.
📩 Contact us now for datasheets, free samples, or technical assistance on your next automotive project.