China Hex Socket Countersunk Head Screws Manufacturer, Supplier, Factory

Hex Socket Countersunk Head Screws are engineered for precision applications where a flush surface finish is critical. These specialized fasteners feature a flat head that sits perfectly flush with the material surface, eliminating any protrusions. The internal hex socket drive provides superior torque transfer and a high tamper-resistant profile compared to traditional screw heads. For applications demanding similar high-strength and reliability but with a protruding head design, the Socket Head Cap Screw is an excellent alternative. When you specifically require the countersunk design with a hexagonal recess, the Countersunk Head Hex Socket Screw is the ideal choice. Another common term for this component is the Hexagonal Socket Head Cap Screw, which emphasizes its geometric drive feature. These screws are indispensable in industries like aerospace, automotive manufacturing, and high-end electronics, where both aesthetic integrity and structural security are paramount.
The design of Hex Socket Countersunk Head Screws incorporates several key parameters that define their performance and application suitability. Below is a detailed breakdown of the standard specifications and available options.

Standard Specifications & Materials:

• Drive Type: Internal Hexagon (Hex Socket)
• Head Style: Countersunk (Flat Head, 82° standard head angle)
• Thread Type: Fully threaded or partial thread as per requirement.
• Standards: DIN 7991, ISO 10642, ANSI/ASME B18.3.
• Common Materials:
  • Stainless Steel (A2-70, A4-80)
  • Alloy Steel (Grade 8.8, 10.9, 12.9)
  • Brass
  • Titanium
• Finishes/Platings: Zinc Plated, Black Oxide, Passivated, Xylan Coating.

Dimensional Data (Common Sizes):

Mechanical Properties (Based on Material Grade):