S-90449A190 12 mm ID x 16 mm OD DIN 7603 Hard Fiber Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: Crafted from resilient fiber material to create a reliable, long-lasting seal that prevents fluid and gas leakage in demanding industrial environments.
• Excellent Chemical & Thermal Resistance: Withstands exposure to a wide range of chemicals and maintains stability under varying thermal conditions, ensuring consistent performance.
• Precise M12 Compatibility: Designed with a 12mm inner diameter for a perfect fit on M12 screws, ensuring secure fastening and even load distribution.
• Optimized Dimensions for Durability: The 16mm outer diameter and 0.8mm thickness provide an ideal balance of surface coverage and compressibility for enhanced joint integrity.
• Guaranteed Hardness & Consistency: Rockwell R50 hardness rating ensures the washer maintains its shape and function under pressure, reducing the risk of deformation or failure.
• Compliance with Rigorous Standards: Manufactured to meet DIN 7603 specifications, guaranteeing dimensional accuracy, material quality, and interchangeability.
• Environmentally Responsible Sourcing: Fully compliant with RoHS 3 and REACH regulations, making it a safe and sustainable choice for global supply chains.

Professional Applications & Engineering Value

This M12 fiber flat washer is engineered to solve critical challenges in industrial sealing applications. The fiber material provides inherent resistance to oils, solvents, and many chemicals, preventing degradation that can lead to seal failure in machinery, hydraulic systems, and piping. Its thermal stability ensures performance is maintained across a range of operating temperatures, a common pain point in automotive or HVAC systems. The precise metric dimensions (12x16x0.8mm) and compliance with the DIN 7603 standard guarantee a perfect fit and reliable function, eliminating leaks and reducing maintenance downtime. It acts as an essential component for creating pressure-tight seals in industrial equipment, protecting threads and distributing load effectively to extend the life of the assembly.

Specification Summary & Compliance

This flat washer conforms to the dimensional and material requirements of the DIN 7603 standard. Key specifications include an Inner Diameter of 12 mm, Outer Diameter of 16 mm, and Thickness of 0.8 mm, designed for use with M12 screws. The material exhibits a Rockwell R50 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives.