Our Factory Wholesale Carbon Steel Galvanized Carriage Bolts (DIN 603) are engineered for superior structural integrity and long-term durability. Specifically designed for heavy-duty fastening, these bolts feature a smooth rounded head that provides a clean finish and prevents snagging, making them the ideal choice for furniture, automotive, and industrial construction applications.
Manufactured by Hebei Yuetong Fasteners with over 30 years of industry expertise, these carriage bolts are crafted from high-grade carbon steel and treated with a premium white zinc plating. This specialized surface treatment ensures exceptional corrosion resistance, maintaining a bright, professional appearance even in challenging environments, while adhering to strict metric system standards.
Detailed Parameters
| Standard | DIN 603 / Metric | Material | High-Grade Carbon Steel |
|---|---|---|---|
| Surface Treatment | White Zinc Plated (Galvanized) | Grade | 4.8 / 6.8 / 8.8 |
| Size Range | M6 - M20 | Thread Type | Half Thread |
| Color/Finish | White / Bright | Measurement | Metric System |
| MOQ | 1 Ton | Delivery Time | 15-30 Days |
Key Advantages
Anti-Corrosion
Premium zinc plating provides a robust barrier against rust and oxidation for extended lifespans.
Proven Durability
Manufactured since 1991, utilizing advanced equipment for consistent high-strength performance.
Precision Engineering
Strict adherence to DIN 603 standards ensures perfect fit and reliability in every assembly.
Versatile Grades
Available in 4.8 to 8.8 strength grades to match your specific load-bearing requirements.
Clean Aesthetics
The smooth carriage head design offers a professional, snag-free finish for visible installations.
OEM Flexibility
Customized specifications and OEM services available to meet unique project requirements.
Product Gallery
Management Platforms
Supply Chain Control
Direct factory sourcing from China's largest fastener production base in Yongnian.
Quality Assurance
Modern management systems ensure every batch meets international DIN/BSW/ANSI standards.
Order Tracking
Efficient processing with lead times of 15-30 days for reliable project scheduling.
Logistical Excellence
Strategic shipping via Tianjin Port for rapid global distribution to Europe and Asia.
Inventory Management
Standardized packing in bags and pallets to ensure zero damage during transit.
Technical Support
Professional consultation for material selection and OEM customization services.
Investment Return Comparison
| Feature | Standard Market Bolts | Yuetong DIN 603 Bolts |
|---|---|---|
| Material Grade | Basic Carbon Steel | High-Grade Steel (Up to 8.8) |
| Corrosion Resistance | Standard Coating | Premium White Zinc Plated |
| Dimensional Accuracy | Loose Tolerances | Precision DIN 603 Standard |
| Sourcing Cost | Intermediary Pricing | Direct Factory Wholesale Price |
| Product Lifecycle | Moderate | Extended (Industrial Grade) |
Frequently Asked Questions
DIN 603 carriage bolts are primarily used in applications where a smooth finish is required on one side and where the bolt must be prevented from being loosened from the opposite side, such as in furniture and automotive assembly.
Yes, the galvanized white zinc plating offers excellent corrosion resistance for indoor and moderately outdoor environments, ensuring the bolts remain bright and rust-free.
We offer multiple strength grades including 4.8, 6.8, and 8.8 to ensure you have the right tensile strength for your specific structural requirements.
Absolutely. As a manufacturing factory, we provide comprehensive OEM services and can produce bolts to your specific dimensions and standards beyond the standard M6-M20 range.
Our standard delivery time is between 15 to 30 days, depending on the specific grade and size requirements of your order.
Our products are manufactured in Yongnian, Hebei, the largest fastener production base in China, and are typically shipped via Tianjin Port.
