Overview
The Countersunk Lock Washer is a specialized fastener component designed to provide secure fastening in applications where a flush surface finish is essential. Engineered to fit beneath countersunk screws, this washer enhances joint integrity by preventing loosening due to vibration or dynamic loads. Manufactured from high-grade materials such as stainless steel, carbon steel, or alloy steel, the Countersunk Lock Washer undergoes precise stamping and heat treatment processes to achieve optimal hardness and resilience. Its unique design features a conical shape with locking teeth or serrations that bite into the mating surfaces, ensuring a firm grip and resistance to rotation. This product is widely utilized in automotive, aerospace, electronics, and machinery assemblies where maintaining tightness and alignment is critical for safety and performance.
Performance-wise, the Countersunk Lock Washer offers excellent corrosion resistance and mechanical strength, making it suitable for both indoor and outdoor environments. Its ability to distribute load evenly across the countersunk screw head reduces stress concentrations, thereby extending the lifespan of the assembly. The washer’s compatibility with various screw sizes and materials allows for versatile application in precision equipment and heavy-duty industrial machinery. By incorporating the Countersunk Lock Washer, engineers can achieve reliable fastening solutions that minimize maintenance requirements and downtime. This fastener component stands out for its balance of durability, efficiency, and ease of installation, making it an indispensable element in high-performance fastening systems.
| Product Type | Countersunk Lock Washer |
| Head Style | Countersunk |
| Manufacturing Process | Stamping and Heat Treatment |
| Thread Type | Compatible with standard machine screw threads |
| Common Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Available Sizes | #4 to 1 inch diameter |
| Strength Features | High resistance to loosening under vibration, enhanced locking capability |
| Typical Applications | Securing countersunk screws in machinery, automotive, electronics, and aerospace assemblies |
| Surface Finishes | Zinc Plated, Black Oxide, Passivated, Plain |
| Standards | DIN 6797, ISO 10673 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Ensures a smooth, flush surface with countersunk screws for aesthetic and functional assembly.
Prevents fastener loosening in dynamic and high-vibration environments, enhancing joint reliability.
Available in stainless steel, carbon steel, and alloy steel for strength and corrosion resistance.
Produced with tight tolerances for consistent performance and fit across sizes.
Materials and finishes provide protection against rust and environmental degradation.
Suitable for automotive, aerospace, electronics, and general machinery fastening needs.
| Product Type | Countersunk Lock Washer |
| Thread Type | Compatible with countersunk screws |
| Diameter Range | M3–M24 |
| Length Range | 1–20 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | DIN 6797, ISO 10673 |
| Surface Finish | Plain, Zinc Plated, Passivated |
| Diameter (mm) | Outer Diameter (mm) | Thickness (mm) |
|---|---|---|
| M3 | 6.4 | 0.5 |
| M6 | 12 | 1.0 |
| M12 | 24 | 2.0 |
| M24 | 48 | 3.5 |