S-98035A213 10.5 mm ID x 30 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments.
• Precise dimensional accuracy with 10.5mm ID, 30mm OD, and 2.3-2.7mm thickness, ensuring reliable fit and consistent performance for M10 screws.
• Superior load distribution due to DIN 9021 flat design, minimizing surface pressure and preventing joint loosening.
• Strict compliance with DIN 9021 standards, guaranteeing interchangeability and engineering reliability in metric applications.
• Environmental and regulatory safety with full RoHS 3 and REACH compliance, supporting sustainable procurement practices.
• Robust steel construction providing dependable strength and durability for heavy-duty fastening requirements.
• Versatile metric sizing ideal for global machinery, equipment, and structural assemblies requiring standardized components.

Professional Applications & Engineering Value

This M10 flat washer is engineered to address critical challenges in industrial fastening, such as surface damage, vibration-induced loosening, and corrosion. The black-oxide steel material offers a protective layer that resists rust and wear, making it suitable for automotive, machinery, and construction applications where exposure to moisture or chemicals is common. Its DIN 9021 specification ensures precise metric dimensions and flatness, which evenly distributes clamp load and prevents bolt head or nut embedding into soft materials. By maintaining consistent thickness and OD/ID ratios, this washer enhances joint integrity, reduces maintenance needs, and supports efficient assembly in industrial washers and fastener systems requiring reliable, long-term performance.

Specification Summary & Compliance

This washer conforms to DIN 9021 standards for dimensional tolerances, with an inner diameter of 10.5 mm, outer diameter of 30 mm, and thickness range of 2.3–2.7 mm, designed specifically for M10 screw size. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and safety regulations without hazardous substances.