Product Details
Product Description
China factory direct supply hot dip galvanized socket head cap screws grade 10.9 for wholesale. These high-strength screws feature a cylindrical head with internal hex drive, full threading for maximum fastening versatility, and hot dip galvanized coating for superior corrosion protection. Grade 10.9 offers exceptional tensile strength for demanding applications in harsh environments. Perfect for outdoor equipment, marine applications, and construction projects. Bulk discounts available for distributors and industrial suppliers.
Technical Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Standard | ISO 4762, DIN 912 | Head Type | Socket Head |
| Drive Type | Hex Socket | Thread Type | Full Thread |
| Property Class | 10.9 | Coating | Hot Dip Galvanized |
| Coating Thickness | 55-85 µm | Material | Alloy Steel |
| Tensile Strength | 1040 MPa | Yield Strength | 940 MPa |
| Hardness | 32-39 HRC | Corrosion Resistance | Excellent (1000+ hours salt spray) |
Product Size (Popular Specifications)
Standard socket head cap screw specifications:
| Diameter (mm) | Diameter (Inch) | Length (mm) | Length (Inch) | Head Diameter (mm) |
|---|---|---|---|---|
| M6 | 1/4″ | 12-60 | 1/2″-2-1/2″ | 10 |
| M8 | 5/16″ | 16-80 | 5/8″-3″ | 13 |
| M10 | 3/8″ | 20-100 | 3/4″-4″ | 16 |
| M12 | 1/2″ | 25-120 | 1″-4-3/4″ | 18 |
| M16 | 5/8″ | 30-150 | 1-1/4″-6″ | 24 |
Note: Custom sizes available for OEM orders
Application Scenarios
Socket Head Cap Screws DIN 912 Grade 10.9 Hot Dip Galvanized are designed for high-strength applications requiring robust corrosion resistance. Their full-thread design and hex socket drive make them ideal for:
Construction & Infrastructure: Securing structural steel connections and outdoor installations exposed to harsh weather conditions.
Marine & Offshore Equipment: Providing durable fastening solutions for equipment and machinery in corrosive marine environments.
Heavy Machinery & Industrial Equipment: Ensuring reliable performance in demanding applications such as mining, agriculture, and manufacturing.
Automotive & Transportation: Fastening components in vehicles and transportation infrastructure where strength and corrosion resistance are critical.
Renewable Energy Systems: Used in the assembly of wind turbines and solar panel structures exposed to outdoor elements.
Frequently Asked Questions (B2B-oriented)
A: Grade 10.9 screws offer high tensile strength (approximately 1040 MPa) and yield strength (940 MPa), making them suitable for heavy-duty applications. The hot dip galvanized coating provides superior corrosion resistance, extending the lifespan of the fasteners in harsh environments.
A: The full-thread design ensures uniform load distribution and allows for deeper engagement, enhancing the clamping force and stability of the assembly. This is particularly beneficial in applications where vibration and dynamic loads are present.
A: Yes, the hot dip galvanized coating offers excellent protection against corrosion, making these screws suitable for marine and offshore applications where exposure to saltwater and moisture is common.
A: Yes, these screws conform to DIN 912 and ISO 4762 standards, ensuring compatibility with international specifications and ease of integration into global supply chains.
A: Our manufacturing process includes stringent quality control measures such as dimensional inspections, hardness testing, and coating thickness evaluations to ensure each batch meets the required standards and specifications.