Product Details
These high-performance screws are defined by their specialized low-profile design, superior material composition, and inherent durability.
- DIN 7984 Low-Profile Head: The key feature is the “low head” or “thin head,” which is substantially shorter than a standard DIN 912 socket cap screw. This design is perfect for installation in shallow counterbores or tight spaces, creating a sleek, unobtrusive finish that avoids interference with other components.
- Internal Hex Socket (Allen) Drive: The head features an internal hexagonal recess designed for high-torque tightening with a standard hex key (Allen wrench). This protected drive style ensures a secure engagement and maintains a clean, smooth external head surface.
- Premium Stainless Steel Construction: The primary advantage of these screws is their material. They are available in several stainless steel grades to meet diverse environmental challenges:
- SS304 (A2) Stainless Steel: A versatile and widely used grade offering excellent corrosion resistance in normal atmospheric and freshwater conditions. Ideal for general industrial, architectural, and food-grade applications.
- SS316 (A4) Stainless Steel: Known as “marine grade,” this steel contains molybdenum, providing superior resistance to chlorides (like saltwater), acids, and other harsh chemicals. It is essential for marine, coastal, and chemical processing environments.
- SS316L Stainless Steel: A low-carbon variant of SS316, offering enhanced resistance to corrosion after welding, making it perfect for fabricated assemblies in aggressive environments.
- SS201 Stainless Steel: An economical option suitable for dry, indoor applications where high corrosion resistance is not a primary requirement.
- Plain Finish: These screws are supplied with the natural, bright finish of stainless steel. Their inherent corrosion resistance means no additional plating is required, ensuring a durable, clean surface that will not chip, flake, or rust over time.
Product Parameters
The technical specifications for our Stainless Steel DIN 7984 Low-Profile Hex Socket Cap Screws are detailed below.
| Parameter | Specification |
|---|
| Product Name | DIN 7984 Low-Profile Hexagon Socket Bolt (Stainless Steel) |
| Standard | DIN 7984 |
| Material | Stainless Steel (SS201, SS304/A2, SS316/A4, SS316L) |
| Property Class / Grade | A2-70, A4-70, A4-80 |
| Surface Treatment | Plain (Bright Finish) |
| Head Style | Low-Profile Cylindrical Head |
| Drive Style | Internal Hex Socket (Allen) |
| Diameter Range | M3 – M16 |
| Measurement System | Metric |
| Brand Name | Duojia |
| Place of Origin | Hebei, China |
| Key Feature | Space-saving design with superior corrosion resistance |
| Application | Heavy Industry, General Industry, Marine, Medical, Electronics |
Product Features
These specialized screws are engineered to deliver exceptional performance and a professional aesthetic:
- Superior Corrosion Resistance: Manufactured from A2 and A4 “marine grade” stainless steel for long-lasting, maintenance-free performance in wet, saline, and chemically aggressive environments.
- Space-Saving Low-Profile Design: The reduced head height is ideal for compact assemblies, shallow counterbores, and applications requiring a flush, snag-free surface.
- Hygienic and Non-Reactive: The inert surface of stainless steel makes it perfect for medical devices, laboratory equipment, and food processing machinery where cleanliness is critical.
- Secure Internal Hex Drive: Allows for reliable, high-torque installation while maintaining a clean appearance and protecting the drive from external damage.
- Aesthetic and Professional Finish: The natural bright finish of stainless steel provides a modern, high-end look suitable for architectural and consumer-facing products.
- DIN 7984 Standard Compliance: Manufactured according to precise international standards to ensure consistent dimensions, quality, and full interchangeability.
Product Applications
The unique combination of a low-profile head and superior material properties makes these screws essential for a wide range of demanding industries:
- Marine and Coastal Environments: Perfect for fastening components on boats, docks, and coastal infrastructure where resistance to saltwater is crucial (A4 grade recommended).
- Food Processing and Pharmaceutical: The hygienic, easy-to-clean surface is ideal for assembling machinery used in food, beverage, and pharmaceutical production.
- Medical Devices and Laboratory Equipment: Extensively used in the assembly of surgical tools, diagnostic machines, and lab equipment due to its non-reactive and sterilizable properties.
- Electronics and Automation: Ideal for securing components, circuit boards, and panels inside compact electronic devices, robotics, and server racks.
- Chemical Processing: The excellent chemical resistance of A4/316L stainless steel makes it suitable for equipment exposed to corrosive substances.
- Automotive and Aerospace: Used for interior trim and non-structural components where a low-profile head and reliable performance are required.
