Premium M3-M12 Countersunk Washers: The Ultimate Decorative Fastening Solution
Our M3-M12 Countersunk Washers, frequently referred to as Finishing Washers or Cup Washers, are engineered to combine structural integrity with an elegant aesthetic finish. Designed specifically to complement countersunk (CSK) head screws, these decorative washers feature a recessed center that allows the screw head to sit perfectly flush or neatly nested. Whether you are assembling luxury furniture or outfitting a marine vessel, our finishing washers protect the substrate surface while providing a high-end, professional appearance.
As a leading countersunk washer factory, we offer both CNC turned precision washers for high-end projects and stamped cup washers for high-volume industrial applications, available in 316 Stainless Steel and Polished Brass.
- Aesthetic Excellence: Hides rough edges of pre-drilled holes and provides a smooth, rounded trim around the screw head.
- Load Distribution: Increases the bearing surface area, preventing the screw from pulling through or damaging soft materials like wood, plastic, or leather.
- Precision Fit: Our CNC machined series offers tight tolerances and a mirror-like polish, ideal for visible hardware in high-end cabinetry.
- Material Versatility: Available in Solid Brass for antique styles and Anodized Aluminum for lightweight, colorful modern designs.
Select the correct metric finishing washer size based on the outer diameter (OD) and screw head compatibility.
| Screw Size | Inner Dia (mm) | Typical OD (mm) | Height (mm) |
|---|---|---|---|
| M3 | 3.2 mm | 9.0 – 10.0 mm | 2.0 mm |
| M4 | 4.3 mm | 11.0 – 13.0 mm | 2.5 mm |
| M5 | 5.3 mm | 14.0 – 16.0 mm | 3.0 mm |
| M6 | 6.4 mm | 16.0 – 18.0 mm | 3.5 mm |
| M8 | 8.4 mm | 20.0 – 25.0 mm | 4.5 mm |
Our M3-M12 Finishing Washers are essential for various visible fastening sectors:
- High-End Furniture: Securing panels and decorative trims in luxury wardrobes and desks.
- Marine Interiors: Using SS316 finishing washers for mounting hardware on yacht dashboards and cabins.
- Automotive Restoration: Providing a period-correct decorative look for classic car interiors.
- Architectural Signage: Mounting plaques and glass panels where the fastener is a key design element.
Q: What is the difference between Turned and Stamped washers?
A: Turned washers are CNC machined from solid bar stock, offering a thicker profile and superior finish. Stamped washers (Pressed) are thinner and more cost-effective for large-scale production.
Q: Can I get these in custom colors?
A: Yes, our Aluminum Countersunk Washers can be anodized in Red, Blue, Black, Gold, and other custom colors for high-performance tuning or branding.
Source M3-M12 Countersunk Washers from a Professional Manufacturer
Seeking bulk finishing washers with premium polishes and guaranteed quality? We support global wholesale and OEM projects. Contact us today for a free quote and technical samples!













