S-98472A250 4.3 mm ID x 14 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Perfect flush seating ensured by the 90° countersink angle, preventing snagging and improving aesthetics
• Precise compatibility with M4 screws, offering reliable load distribution and reduced installation errors
• Durable metric design with 4.3mm ID and 14mm OD, providing consistent performance in demanding applications
• Environmental compliance with RoHS 3 and REACH standards, meeting strict regulatory requirements
• Wide industrial applicability due to standardized metric dimensions and robust stainless steel material

Professional Applications & Engineering Value

This M4 countersunk washer is engineered to address common industrial challenges such as surface unevenness and fastener corrosion. The 18-8 stainless steel material offers excellent durability and corrosion resistance, making it suitable for outdoor, marine, and chemical-exposed settings. The 90° countersink angle ensures a smooth, flush fit with matching screws, reducing stress concentrations and enhancing structural integrity in assemblies. Its metric flat washer design provides reliable load distribution, preventing loosening under vibration and extending the lifespan of M4 screw connections in machinery, automotive, and electronics applications.

Specification Summary & Compliance

This washer features precise metric dimensions: 4.3mm ID, 14mm OD, and 2.3mm overall height, designed for M4 screw size compatibility. It adheres to standard metric specifications for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.