S-93785A600 0.28" ID x 0.63" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -50°F to 500°F, ensuring reliable performance in extreme temperature environments without degradation.
• Superior chemical resistance inherent to PEEK plastic, providing long-lasting protection against harsh industrial chemicals and corrosive substances.
• High hardness rating (Rockwell M103) for excellent wear resistance and durability, reducing the need for frequent replacements in demanding applications.
• Precise dimensional fit with a 0.28" ID and 0.63" OD, designed specifically for 1/4" screws to ensure secure fastening and prevent loosening.
• Regulatory compliance with RoHS 3 and REACH standards, guaranteeing safe, environmentally responsible use in global markets.
• Lightweight and non-conductive properties, ideal for electrical insulation and reducing overall assembly weight without compromising strength.
• Consistent thickness tolerance (0.040-0.080") for uniform load distribution, enhancing the longevity and stability of fastened joints.

Professional Applications & Engineering Value

This PEEK plastic flat washer is engineered to address critical challenges in high-stress industrial settings, such as thermal expansion and chemical exposure. Its high-temperature resistance up to 500°F makes it ideal for automotive, aerospace, and electronics applications where heat management is essential. The beige color and PEEK material provide excellent dimensional stability and low moisture absorption, preventing corrosion and maintaining integrity in humid or aggressive environments. By using this flat washer with a 1/4" screw size, engineers can achieve reliable fastening in assemblies requiring chemical resistance and long-term durability, reducing maintenance costs and downtime.

Specification Summary & Compliance

This washer features precise inch system dimensions with an ID of 0.28", OD of 0.63", and thickness range of 0.040-0.080", ensuring accurate fit for 1/4" screws. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards. The Rockwell M103 hardness and broad temperature tolerance support consistent performance in varied industrial conditions, meeting rigorous engineering requirements for reliability and compliance.