S-91202A112 19 mm ID x 29.4 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through spring-like split design that maintains constant tension under dynamic loads
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh environments
• Reliable hardness performance with Rockwell C44 rating ensuring consistent spring action and deformation resistance
• Precision dimensional compatibility with 19mm ID specifically engineered for M18 screw applications
• Industry-standard compliance with DIN 127B specifications for guaranteed interchangeability and performance
• Environmental regulation adherence meeting RoHS 3 and REACH requirements for global industrial applications
• Optimal load distribution with 29.4mm OD providing wider surface contact for enhanced fastening security

Professional Applications & Engineering Value

This zinc-plated steel split lock washer delivers critical vibration-resistant fastening solutions for demanding industrial applications. Engineered to DIN 127B standards, the washer's split design creates continuous spring tension that counters loosening in high-vibration environments such as machinery, automotive assemblies, and heavy equipment. The Rockwell C44 hardness ensures the washer maintains its spring characteristics without permanent deformation, while the zinc plating provides essential corrosion resistance for extended service life. Perfect for M18 screw applications in manufacturing, construction, and maintenance operations where reliable, long-term fastening security is paramount. The metric dimensions ensure seamless integration with international equipment specifications.

Specification Summary & Compliance

This split lock washer features precise dimensions of 19mm internal diameter, 29.4mm outer diameter, and 3.3-3.7mm thickness specifically designed for M18 screw applications. Manufactured to DIN 127B specifications with Rockwell C44 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The zinc-plated steel construction meets international standards for corrosion resistance and mechanical performance in demanding fastener applications.