S-97093A138 2.6 mm ID x 5.1 mm OD DIN 128A Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance from the curved split design, ensuring fasteners stay securely locked under dynamic loads and reducing maintenance needs.
• Corrosion-resistant 18-8 stainless steel construction provides excellent durability in harsh environments, extending service life and reliability.
• Precision-engineered to DIN 128A standards for consistent performance, dimensional accuracy, and compatibility with M2.5 metric screws.
• Compact and lightweight design with a 2.6 mm ID and 5.1 mm OD, ideal for space-constrained applications without compromising locking effectiveness.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence, making it suitable for global industrial supply chains.
• Reliable spring action from the curved split lock type, offering consistent tension and reusability in assembly and disassembly cycles.

Professional Applications & Engineering Value

This M2.5 split lock washer is engineered to address common industrial challenges like loosening from vibrations and corrosion in demanding settings. Made from 18-8 stainless steel, it resists rust and wear, making it ideal for applications in electronics, automotive, and machinery where reliable locking performance is critical. The curved spring design applies continuous pressure, preventing fastener back-off in high-vibration environments such as motors and precision instruments. By meeting DIN 128A standards, it ensures precise fit and function with metric hardware, reducing assembly errors and enhancing operational safety. Its compliance with RoHS and REACH further supports use in regulated industries, providing peace of mind for engineers focused on durability and environmental standards.

Specification Summary & Compliance

This washer features precise dimensions with an inner diameter of 2.6 mm, outer diameter of 5.1 mm, and thickness of 0.5 mm, designed for M2.5 screw sizes. It conforms to DIN 128A specifications for split lock washers, ensuring dimensional accuracy and performance consistency. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.