S-98594A415 8.4 mm ID x 17 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Excellent chemical resistance from polypropylene plastic, ideal for harsh industrial environments where corrosion is a concern.
• Reliable dimensional stability with precise 8.4mm ID and 17mm OD, ensuring consistent fit and performance with M8 screws.
• Good load distribution and surface protection due to the flat design and 1.4-1.9mm thickness, helping to prevent damage to assembled materials.
• Lightweight and non-conductive properties of polypropylene, reducing overall weight and eliminating risks of electrical conductivity.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and meeting global supply chain requirements.
• Moderate temperature resistance up to 150°F, suitable for various indoor and controlled environment applications.
• Cost-effective and durable with Rockwell R100 hardness, offering long service life without the high cost of metal alternatives.

Professional Applications & Engineering Value

This M8 metric flat washer made from polypropylene plastic is engineered to address common industrial challenges such as chemical exposure, galvanic corrosion, and the need for electrical insulation. Its off-white color and precise dimensions (8.4mm ID, 17mm OD) ensure easy identification and reliable performance in assemblies requiring dimensional stability. Ideal for use in electrical enclosures, food processing equipment, and chemical handling systems, this washer provides a secure, non-metallic barrier that distributes load effectively and resists degradation from oils, solvents, and moisture, enhancing the longevity and safety of your industrial applications.

Specification Summary & Compliance

This flat washer features an inner diameter of 8.4mm, outer diameter of 17mm, and thickness of 1.4-1.9mm, designed for M8 screw sizes in the metric system. Manufactured from polypropylene plastic with a hardness of Rockwell R100, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. Suitable for temperatures up to 150°F, it meets industry standards for chemical resistance and environmental safety in various engineering and assembly contexts.