China Hexagonal Socket Head Cap Screw Manufacturer, Supplier, Factory

Hexagonal Socket Head Cap Screws are engineered for applications requiring high tensile strength and reliable fastening in compact spaces. These screws feature an internal hex drive that allows for higher torque application compared to traditional screw heads, minimizing the risk of stripping and ensuring a secure fit. When a flush surface is necessary, consider using Countersunk Head Hex Socket Screw for seamless integration. For general-purpose high-strength fastening, Socket Head Cap Screw offers superior performance. In scenarios demanding both a countersunk head and internal hex drive, Hex Socket Countersunk Head Screws provide an excellent solution, combining low profile with high clamping force. These fasteners are indispensable in industries such as aerospace, automotive, and precision machinery, where failure is not an option.
The Hexagonal Socket Head Cap Screw is distinguished by its cylindrical head with a hexagonal recess, which facilitates installation in confined areas where wrench clearance is limited. This design allows the screw to withstand substantial tensile and shear loads, making it suitable for high-stress applications. Manufactured from high-grade materials such as alloy steel, stainless steel, and titanium, these screws undergo rigorous heat treatment to achieve optimal mechanical properties, including enhanced hardness and fatigue resistance. The threads are precision-rolled to ensure consistent engagement and reliable performance under dynamic loads. Available in a wide range of sizes and configurations, the Hexagonal Socket Head Cap Screw meets various international standards, including ISO, DIN, and ANSI, guaranteeing compatibility and reliability across global applications.

Key Specifications

• Drive Type: Internal Hexagon (Hex Socket)
• Head Style: Cylindrical with Flat Bearing Surface
• Thread Type: Fully Threaded or Partial Thread
• Material Grades: Alloy Steel (Grade 8.8, 10.9, 12.9), Stainless Steel (A2, A4), Titanium
• Surface Treatments: Black Oxide, Zinc Plating, Dichromate, Passivation
• Standards Compliance: ISO 4762, DIN 912, ANSI B18.3

Detailed Dimensions (Metric Series - ISO 4762)

Mechanical Properties (Alloy Steel Grade 12.9)