S-94630A216 13.5 mm ID x 37 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Optimal Load Distribution: The 37mm outer diameter effectively spreads pressure, preventing surface damage and fastener loosening under high stress.
• Precision Fit for M12 Fasteners: 13.5mm inner diameter ensures a perfect, secure fit on M12 screws and bolts, reducing assembly time and improving joint integrity.
• Durable Steel Construction: Made from robust steel, this washer offers excellent strength and resistance to deformation for long-lasting performance in demanding environments.
• Standardized Dimensions: Conforms to DIN 9021 specifications, guaranteeing interchangeability and reliable performance in metric-based engineering designs.
• Enhanced Surface Protection: Acts as a reliable barrier, protecting sensitive components and surfaces from abrasion and galvanic corrosion.
• Regulatory Compliance: Meets RoHS 3 and REACH environmental standards, ensuring safe use in various industrial and international markets.
• Versatile Thickness Range: With a thickness of 2.0-2.9mm, it provides flexibility to accommodate slight variations and maintain consistent clamping force.

Professional Applications & Engineering Value

This M12 flat washer is engineered to address common challenges in industrial fastening, such as joint failure and surface indentation. Manufactured from high-quality steel and compliant with the DIN 9021 standard, it ensures precise dimensional accuracy and reliable performance in metric assemblies. The washer's design provides superior load distribution, which is critical for protecting soft materials and maintaining bolt preload in vibrating machinery, automotive subsystems, and structural frameworks. Its RoHS 3 and REACH compliance makes it suitable for global supply chains, offering peace of mind for engineers requiring environmentally responsible and durable hardware solutions that withstand rigorous operational demands.

Specification Summary & Compliance

This flat washer features precision dimensions with an Inner Diameter of 13.5mm, Outer Diameter of 37mm, and Thickness ranging from 2.0mm to 2.9mm, designed specifically for M12 screw size. It strictly adheres to the DIN 9021 standard, ensuring high manufacturing quality and dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for use in various industrial applications.