S-91190A620 23.5 mm ID x 32.9 mm OD DIN 7980 Split Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Superior vibration resistance due to the split lock design that maintains constant spring tension, preventing fastener loosening in dynamic environments.
• Exceptional durability and wear resistance from hardened Black Steel with Rockwell C44 hardness, ensuring long service life under heavy loads.
• Precise dimensional fit with 23.5mm ID and 32.9mm OD, designed specifically for M22 screws to provide reliable and secure fastening.
• Compliance with DIN 7980 standard guarantees consistent quality, interchangeability, and performance in industrial applications.
• RoHS 3 and REACH compliant for safe use in regulated industries, meeting environmental and health standards without compromising performance.
• Versatile industrial application suitable for machinery, automotive, and construction where vibration and shock are common challenges.

Professional Applications & Engineering Value

This M22 metric split lock washer is engineered from hardened Black Steel to address critical issues like vibration-induced loosening in industrial settings. The split design creates continuous spring action, applying consistent pressure to resist rotational forces and thermal cycling. With a Rockwell C44 hardness, it withstands high-stress conditions in heavy machinery, automotive assemblies, and structural frameworks. Compliant with DIN 7980, it ensures precise fit and reliability for M22 fasteners, reducing maintenance downtime and enhancing safety. The RoHS 3 and REACH compliance makes it ideal for global supply chains, offering a robust solution for engineers seeking durability and regulatory adherence in vibration-resistant applications.

Specification Summary & Compliance

This washer features an ID of 23.5 mm, OD of 32.9 mm, and thickness of 4.3-4.7 mm, adhering to DIN 7980 standards for dimensional accuracy and performance. It is manufactured from Black Steel with a hardness of Rockwell C44 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.