DIN 7991 Flat Head Hex Socket Screws
Flat Head Hex Socket Screws, also called countersunk hex screws, are designed to provide a flush finish while maintaining strong mechanical holding. Their flat head design allows the screw to sit level with or below the surface, reducing obstruction and giving assemblies a clean, professional look. With a hexagonal socket drive, these screws ensure easy installation and reliable torque transfer, making them suitable for applications from machinery to automotive and electronics.
Product Description
Specification of Flat Head Hex Socket Screw
- Standard: DIN 7991 / ISO 10642.
- Material: Carbon Steel or Stainless Steel, or as required.
- Surface: Galvanized or as required.
- Color: Blue, White, Yellow, Black, or as required.
- Size: M4, M5, M6, M8, M10 to M20.
- Non-standard customization is acceptable.
Packing and Shipping
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- Packing: Polywoven Bag or according to the Customers’ requirements.
- Shipping: LCL or FCL, with Pallet;
- Port of Loading: Shanghai Port or Ningbo Port.
Features of Flat Head Hex Socket Screw
Understanding the features of Flat Head Hex Socket Screws helps in selecting the right fastener for your project. These screws are designed with:
- A countersunk flat head for flush installation, reducing the risk of snagging or interference
- An internal hex drive that allows high torque without stripping
- Optional finishes that enhance corrosion resistance and contribute to a neat, professional appearance
The combination of these features makes them ideal for applications requiring both reliability and aesthetics.
Advantages of Flat Head Hex Socket Screw
Choosing Flat Head Hex Socket Screws brings multiple advantages to industrial and commercial projects. The flush head design prevents surface obstructions, which is especially important in confined spaces or when repeated handling is involved. The hex socket ensures secure tightening, reducing loosening under vibration or mechanical stress. Additionally, appropriate material and coating options extend the service life, even in demanding environments.
Application of Flat Head Hex Socket Screw
Flat Head Hex Socket Screws are widely used across industries due to their versatility. They are ideal for:
- Machinery and equipment assemblies where space and precision are critical
- Automotive parts that require a smooth, flush finish
- Electronics and furniture applications where aesthetics matter
- High-precision devices needing reliable thread engagement
This broad applicability makes them a preferred choice for engineers and manufacturers who require dependable fastening solutions.
Why Choose Xinchi Fastener Factory
Selecting a trusted manufacturer is just as important as choosing the right fastener. Xinchi Fastener Factory, established in 2007, specializes in high-quality Flat Head Hex Socket Screws and other precision fasteners.
With 102 cold forging machines and a daily production capacity exceeding 10 million pieces, Xinchi guarantees consistent quality and timely delivery. Our factory spans 30,000 square meters with two six-story buildings, equipped with advanced production and quality control facilities.
Partnering with Xinchi ensures access to durable, precise fasteners and professional support for any industrial project.
