S-90449A260 16 mm ID x 21 mm OD DIN 7603 Hard Fiber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with fiber material that effectively prevents fluid and gas leakage in industrial assemblies
• Excellent electrical insulation properties for safe operation in electrical applications and prevention of galvanic corrosion
• Precise dimensional compatibility with 16mm ID perfectly matching M16 screw sizes for secure, vibration-resistant fastening
• Enhanced durability with Rockwell R50 hardness providing reliable performance under compression and repeated use
• Regulatory compliance assurance meeting DIN 7603 standards for consistent quality and dimensional accuracy
• Environmentally responsible manufacturing with full RoHS 3 and REACH compliance for global market acceptance
• Optimal thickness design at 0.8mm providing effective spacing without adding unnecessary bulk to assemblies

Professional Applications & Engineering Value

These M16 metric fiber washers deliver critical engineering solutions where sealing and electrical insulation are paramount. The specialized fiber material composition creates an effective barrier against moisture, dust, and chemical ingress while preventing electrical current transfer between dissimilar metals. This addresses common industrial pain points including corrosion prevention, vibration loosening, and electrical safety concerns. The flat washer design with precise 16x21x0.8mm dimensions ensures uniform load distribution and maintains bolt tension in demanding applications such as electrical enclosures, machinery assemblies, and automotive components. Engineered to DIN 7603 standards, these washers provide reliable performance in temperature-varying environments where metal washers might fail due to thermal expansion differences.

Specification Summary & Compliance

This flat washer features precise metric dimensions of 16mm inner diameter, 21mm outer diameter, and 0.8mm thickness, manufactured to DIN 7603 specifications for dimensional accuracy and performance consistency. The fiber material achieves Rockwell R50 hardness for optimal compression resistance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in industrial markets worldwide.