S-98687A120 30 mm ID x 50 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - 50mm outer diameter provides superior surface coverage to prevent surface damage and loosening under vibration
• Precision Fit for M27 Fasteners - 30mm inner diameter ensures perfect compatibility with M27 screw sizes for reliable assembly
• Optimal Thickness Range - 3.4-4.6mm thickness variation accommodates manufacturing tolerances while maintaining consistent performance
• Durable Steel Construction - High-quality steel material with Rockwell B52 hardness offers excellent wear resistance and long service life
• International Standard Compliance - Manufactured to both DIN 126 and ISO 7091 specifications for global acceptance and interchangeability
• Environmental Responsibility - RoHS 3 and REACH compliance ensures safe use in regulated industries and environmentally sensitive applications
• Reliable Industrial Performance - Designed for heavy-duty applications where consistent clamping force and vibration resistance are critical

Professional Applications & Engineering Value

This M27 flat washer delivers exceptional engineering value in demanding industrial environments where reliable fastening solutions are paramount. The steel construction with Rockwell B52 hardness provides optimal resistance to deformation under heavy loads, making it ideal for machinery assembly, structural steel connections, and heavy equipment manufacturing. The DIN 126 and ISO 7091 compliance ensures precise dimensional accuracy and interchangeability across global projects. The washer's 30mm ID and 50mm OD combination effectively distributes clamping forces, preventing surface damage to connected materials while maintaining joint integrity. This metric washer solves common engineering challenges including bolt loosening from vibration, surface indentation on soft materials, and the need for standardized components in multinational projects.

Specification Summary & Compliance

This flat washer features precise dimensional specifications with 30mm inner diameter, 50mm outer diameter, and 3.4-4.6mm thickness range, manufactured to DIN 126 and ISO 7091 standards for guaranteed dimensional accuracy and performance. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC requirements as of January 17, 2023. The steel material with Rockwell B52 hardness ensures consistent mechanical properties and reliable performance in industrial fastening applications requiring standardized metric components.