S-97093A137 30.5 mm ID x 48.2 mm OD DIN 128A Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance ensures reliable bolt retention in high-stress environments, reducing maintenance needs.
• Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh conditions.
• Rockwell C44 hardness offers high durability and resistance to deformation under heavy loads.
• Curved split lock design delivers consistent spring action for optimal tension and anti-loosening performance.
• Precise metric sizing (30.5mm ID, 48.2mm OD) ensures perfect fit with M30 screws, enhancing assembly efficiency.
• Compliance with DIN 128A standards guarantees consistent quality and interchangeability in industrial applications.
• RoHS 3 and REACH compliance supports environmental safety and regulatory adherence in global supply chains.

Professional Applications & Engineering Value

This M30 split lock washer is engineered to address critical vibration-induced loosening in heavy-duty industrial machinery, automotive assemblies, and construction equipment. Made from zinc-plated steel, it combats corrosion while the curved split design and Rockwell C44 hardness provide sustained spring force, maintaining bolt preload under dynamic stresses. Ideal for M30 screw applications, its metric dimensions and DIN 128A compliance ensure precise fit and reliability, reducing downtime and enhancing safety in demanding operations.

Specification Summary & Compliance

This washer features precise dimensions: 30.5mm inner diameter, 48.2mm outer diameter, and 5.8mm thickness, conforming to DIN 128A standards for dimensional accuracy and performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and safety regulations in industrial use.