Product Details
Our DIN 7984 screws are characterized by their specialized design, high-performance materials, and functional finish.
- DIN 7984 Low-Profile Head: The key feature of this screw is its reduced head height. This “low head” or “thin head” design allows it to be used in shallow counterbores or in applications where a standard-height screw head would cause interference. This makes it indispensable for compact and streamlined product designs.
- High-Strength Alloy Steel: These screws are typically manufactured from high-grade alloy steel to achieve property classes of 8.8, 10.9, and 12.9. This ensures they can provide significant clamping force and withstand high tensile loads, despite their reduced head size. Note: The reduced head height results in a lower torque capacity compared to a standard DIN 912 screw of the same size.
- Internal Hex Socket (Allen) Drive: The internal hexagonal drive provides a secure engagement for high-torque tightening with a hex key (Allen wrench). This internal drive is protected from external damage and is well-suited for automated assembly processes.
- Black Oxide Coating: The screws are treated with a black oxide conversion coating. This process creates an integral protective layer of magnetite (Fe₃O₄) on the surface, providing a visually appealing matte black finish. It offers mild corrosion resistance, anti-galling properties for smooth threading, and minimal dimensional change, preserving the screw’s precise tolerances. This finish is ideal for indoor or dry environments and can be treated with oil for enhanced rust prevention.
Product Parameters
The technical specifications for our Black Oxide Coated DIN 7984 Low-Profile Hex Socket Cap Screws are provided below.
| Parameter | Specification |
|---|
| Product Name | DIN 7984 Low-Profile Hex Socket Cap Screw |
| Standard | DIN 7984 |
| Material | Carbon Steel / Alloy Steel |
| Property Class / Grade | 8.8, 10.9, 12.9 |
| Surface Treatment | Black Oxide Coating |
| Head Style | Low-Profile Cylindrical Head |
| Drive Style | Internal Hex Socket (Allen) |
| Diameter Range | M4 – M24 |
| Measurement System | Metric |
| Brand Name | Duojia |
| Place of Origin | Hebei, China |
| Key Feature | Reduced head height for space-constrained applications |
| Application | Precision Machinery, Electronics, Automotive, Tool & Die |
Product Features
These specialized screws are engineered with a range of features for high-performance fastening:
- Space-Saving Low-Profile Design: The significantly reduced head height is the primary advantage, allowing for installation in tight spaces and shallow counterbored holes.
- High-Strength Performance: Made from high-grade alloy steel, these screws deliver the tensile strength required for secure and reliable clamping in demanding mechanical assemblies.
- Secure Internal Hex Drive: Allows for high-torque installation and provides a secure, non-slip engagement that is protected from external damage.
- Aesthetic and Functional Black Finish: The black oxide coating offers a clean, professional, non-reflective appearance while providing wear resistance and mild corrosion protection.
- Ideal for Counterbored Holes: The design is perfectly suited for fitting into shallow counterbores, creating a surface that is nearly flush and free from protrusions.
- DIN 7984 Standard Compliance: Manufactured to precise international standards, ensuring consistent dimensions, quality, and full interchangeability for engineering and manufacturing.
Product Applications
The unique characteristics of the DIN 7984 screw make it essential for a wide variety of industries and applications:
- Precision Machinery and Automation: Used in tooling, jigs, fixtures, and robotic assemblies where clearance is minimal and a compact design is critical.
- Electronics and Enclosures: Ideal for securing components, circuit boards, and panels inside compact electronic devices and server racks where space is limited.
- Automotive Industry: Employed in interior trim, engine components, and other assemblies where a low-profile head is necessary to avoid interference with other parts.
- Tool and Die Making: Frequently used in the construction of molds and dies, where a flush or near-flush fastener surface is often required.
- Aerospace and Defense: Suitable for non-structural components in compact and lightweight assemblies where every millimeter of space counts.
- Medical Devices: The low-profile design is beneficial for creating compact and sleek enclosures for medical equipment.
