Overview
Countersunk washers are precision-engineered components designed to provide a flush and secure fit for countersunk screws and bolts in various industrial applications. These washers feature a conical shape that matches the angle of the countersunk fastener head, ensuring even distribution of load and preventing damage to the surface material. Manufactured from high-grade materials such as stainless steel, carbon steel, and alloy steel, countersunk washers offer excellent corrosion resistance, durability, and mechanical strength. Their design enhances the fastening assembly by improving stability and reducing the risk of loosening under vibration or dynamic loads. The manufacturing process involves precision stamping or machining to achieve tight tolerances and consistent quality, making countersunk washers suitable for demanding environments where reliability is critical.
In addition to their load-distributing capabilities, countersunk washers serve to protect the substrate from indentation and wear caused by fastener heads, extending the lifespan of the assembled components. These washers are commonly used in automotive, aerospace, construction, and machinery industries where flush mounting is essential for both functional and aesthetic reasons. The versatility of countersunk washers allows them to accommodate various screw sizes and materials, providing a tailored solution for specific fastening requirements. Their ability to maintain a smooth surface profile while enhancing joint integrity makes countersunk washers a vital element in precision fastening systems, contributing to improved performance and safety in industrial assemblies.
| Product Type | Countersunk Washer |
| Head Style | Conical Countersunk |
| Manufacturing Process | Stamping and Forming |
| Thread Type | Not Applicable (Washer) |
| Common Materials | Steel, Stainless Steel, Brass, Aluminum |
| Available Sizes | Standard sizes ranging from M3 to M24 (metric) and #4 to 1″ (imperial) |
| Strength Features | Provides flush mounting and distributes load evenly to prevent damage |
| Typical Applications | Used with countersunk screws to create a flush surface in wood, metal, and plastic assemblies |
| Surface Finishes | Zinc Plated, Black Oxide, Plain, Hot-Dip Galvanized |
| Standards | DIN 6797, ISO 10673 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Ensures fasteners sit flush with the surface for a sleek, smooth appearance and reduced snagging risk in assemblies.
Distributes load evenly around the fastener, minimizing material deformation and increasing joint strength.
Available in stainless steel and coated options to withstand harsh environments and extend service life.
Produced with tight tolerances for consistent fit and reliable performance in critical applications.
Suitable for automotive, aerospace, electronics, and general industrial fastening needs.
Designed for quick and secure assembly with countersunk screws, reducing installation time and effort.
| Product Type | Countersunk Washer |
|---|---|
| Thread Type | Compatible with countersunk screws and bolts |
| Diameter Range | M3–M24 |
| Thickness Range | 1–10 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 | 1.0 |
| M6 | 12.0 | 1.5 |
| M12 | 24.0 | 3.0 |
| M24 | 48.0 | 6.0 |
