S-93785A440 5.5 mm ID x 10 mm OD DIN 125 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability for reliable performance in extreme environments from -20°F to 500°F
• Superior chemical resistance thanks to PEEK plastic material, ideal for harsh industrial settings
• High hardness rating (Rockwell M103) ensures excellent durability and load distribution
• Precise dimensional accuracy with 5.5mm ID and 10mm OD conforming to DIN 125 standards
• Compliance with environmental regulations including RoHS 3 and REACH for safe, sustainable use
• Optimized for M5 screw sizes in metric systems, providing secure fastening in mechanical assemblies
• Consistent thickness (0.9-1.1 mm) for uniform pressure distribution and reduced vibration

Professional Applications & Engineering Value

This PEEK plastic flat washer is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing. Its high-temperature resistance up to 500°F prevents deformation under thermal stress, while the chemical inertness of PEEK material safeguards against corrosion from aggressive substances. The DIN 125 standard ensures precise fit and consistent performance in metric M5 fastener systems, reducing assembly errors and maintenance needs. By offering reliable insulation and minimal moisture absorption, this washer extends equipment lifespan in industrial applications where thermal cycling and harsh conditions are common, delivering long-term cost savings and operational safety.

Specification Summary & Compliance

This flat washer adheres to DIN 125 specifications with an inner diameter of 5.5 mm, outer diameter of 10 mm, and thickness of 0.9-1.1 mm, ensuring dimensional accuracy for M5 screw sizes. It is manufactured from PEEK plastic with a hardness of Rockwell M103 and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated environments and sustainable engineering practices.