S-93849A103 5.3 mm ID x 11 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Precise dimensional fit with 5.3mm ID and 11mm OD ensuring perfect alignment with M5 screws
• Exceptional durability thanks to Rockwell B83 hardness rating for reliable load distribution
• Optimal thickness range (1.5-2.4mm) providing ideal compression and vibration resistance
• Regulatory compliance with RoHS 3 and REACH standards for safe, environmentally responsible manufacturing
• Metric system compatibility for seamless integration with international engineering specifications
• Versatile industrial application across multiple sectors requiring corrosion-resistant fastening solutions

Professional Applications & Engineering Value

This M5 flat washer delivers exceptional engineering value through its 18-8 stainless steel composition, providing outstanding corrosion resistance that prevents degradation in demanding industrial environments. The precise metric dimensions (5.3mm ID × 11mm OD) ensure perfect fit with M5 screws, eliminating misalignment issues that compromise fastening integrity. The controlled thickness range (1.5-2.4mm) offers optimal surface distribution, preventing component damage under high torque conditions. These stainless steel flat washers are engineered to solve common industrial challenges including vibration-induced loosening, surface damage, and environmental corrosion, making them ideal for industrial applications in manufacturing, machinery assembly, and outdoor equipment where reliability is paramount.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 5.3mm internal diameter and 11mm outer diameter, designed specifically for M5 screw size applications. Manufactured from 18-8 stainless steel with Rockwell B83 hardness rating, it maintains consistent performance under various load conditions. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use across global markets.