S-98594A413 5.3 mm ID x 10 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Corrosion-resistant polypropylene construction ensures long-lasting performance in humid or chemical environments, reducing maintenance costs.
• Precise M5 screw compatibility with 5.3mm ID and 10mm OD provides a secure fit, preventing loosening and improving assembly reliability.
• Rockwell R100 hardness rating offers excellent durability and resistance to deformation under load, extending service life.
• RoHS 3 and REACH compliance guarantees safety for use in regulated industries, meeting strict environmental and health standards.
• Temperature resistance up to 150°F allows reliable operation in various industrial settings without material degradation.
• Lightweight and non-conductive properties make these washers ideal for electrical applications where insulation is critical.
• Consistent 0.9-1.2mm thickness ensures uniform load distribution, protecting surfaces and enhancing fastening integrity.

Professional Applications & Engineering Value

These M5 metric flat washers made from polypropylene plastic address common industrial challenges such as corrosion, electrical conductivity, and weight constraints. The off-white color and Rockwell R100 hardness provide visual clarity and mechanical strength, ideal for applications in electronics, food processing, and outdoor equipment where metal fasteners may fail. By utilizing a metric system design with precise inner and outer diameters, they prevent galvanic corrosion and offer reliable insulation, solving issues like short circuits and material incompatibility. Their RoHS and REACH compliance ensures they meet global regulatory demands, making them a trusted choice for industrial and commercial fastening solutions that require durability and safety.

Specification Summary & Compliance

This flat washer adheres to standard metric dimensions with an ID of 5.3mm, OD of 10mm, and thickness ranging from 0.9-1.2mm, ensuring compatibility with M5 screws. Manufactured from polypropylene plastic with a Rockwell R100 hardness, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated environments. The specifications confirm suitability for temperatures up to 150°F, providing reliable performance in diverse applications.