S-98035A106 10.5 mm ID x 19 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance - Black-oxide steel surface treatment provides superior protection against rust and oxidation in harsh industrial environments
• Optimal Load Distribution - 19mm outer diameter ensures even pressure distribution across M10 fastener assemblies, preventing surface damage
• Precision Fit & Alignment - 10.5mm inner diameter offers exact compatibility with M10 screws, ensuring secure fastening without slippage
• Exceptional Durability - Rockwell 15N80 hardness rating guarantees long-lasting performance under heavy mechanical stress
• Regulatory Compliance Assurance - Meets RoHS 3 and REACH environmental standards for safe industrial use worldwide
• Versatile Thickness Range - 2.5-3.4mm thickness accommodates various assembly requirements while maintaining structural integrity
• Reliable Material Performance - Black-oxide steel construction combines strength with consistent quality across metric fastener applications

Professional Applications & Engineering Value

These M10 metric flat washers deliver critical engineering solutions where corrosion resistance and load distribution are paramount. The black-oxide steel construction provides exceptional protection against environmental degradation, making them ideal for automotive assemblies, machinery manufacturing, and outdoor infrastructure projects. The precise 10.5mm inner diameter ensures perfect alignment with M10 fasteners, eliminating installation errors while the 19mm outer diameter effectively distributes clamping force to prevent surface indentation and joint failure. With Rockwell 15N80 hardness, these washers maintain dimensional stability under vibration and thermal cycling, offering reliable performance in demanding industrial applications where fastener integrity cannot be compromised.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 10.5mm inner diameter, 19mm outer diameter, and 2.5-3.4mm thickness range, engineered for exact compatibility with M10 screw sizes. Manufactured from black-oxide steel with Rockwell 15N80 hardness rating, the product maintains strict quality control throughout production. Compliance certifications include RoHS 3 (2015/863/EU) compliant with exemption 6(a) for lead as an alloying element in steel, and full REACH (EC 1907/2006) compliance with 233 SVHC as of 01/17/2023, ensuring adherence to international environmental and safety standards for industrial components.