S-98687A129 25 mm ID x 39 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The 39mm outer diameter provides a wider bearing surface to evenly distribute pressure and prevent surface damage under M24 fasteners.
• Vibration & Loosening Resistance - Maintains joint integrity in high-vibration environments, reducing maintenance needs and equipment downtime.
• Precision Metric Sizing - 25mm inner diameter ensures perfect fit with M24 screws, facilitating quick assembly and reducing installation errors.
• Durable Steel Construction - Manufactured from robust steel for reliable performance and long service life in demanding industrial conditions.
• Standardized Compliance - Conforms to DIN 433 specifications, guaranteeing dimensional accuracy and interchangeability across applications.
• Environmental & Regulatory Safety - Compliant with RoHS 3 and REACH regulations, ensuring safe use in regulated industries and global markets.
• Consistent Thickness Tolerance - 3.7-4.3mm thickness range provides reliable spacing and consistent performance in assembled joints.

Professional Applications & Engineering Value

This M24 flat washer is engineered to address critical challenges in industrial assembly, including bolt loosening from dynamic loads and surface indentation from high clamping forces. Its steel construction and DIN 433 standard design ensure precise load distribution, protecting components in machinery, structural steelwork, and heavy equipment. The metric dimensions (25mm ID, 39mm OD) provide optimal coverage for M24 fasteners, reducing stress concentrations and extending joint life. Ideal for automotive, construction, and manufacturing sectors, this washer delivers reliable vibration resistance and compliance with international environmental standards like RoHS and REACH, supporting sustainable and safe engineering practices.

Specification Summary & Compliance

This flat washer meets DIN 433 dimensional standards with an inner diameter of 25mm, outer diameter of 39mm, and thickness between 3.7-4.3mm. It is designed for use with M24 screw sizes and manufactured from steel. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial components.