S-96982A164 31.7 mm ID x 48.2 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial environments
• Exceptional durability with Rockwell C44 hardness rating for long service life under heavy loads
• Reliable corrosion protection through zinc yellow-chromate plating for harsh operating conditions
• Precise dimensional compliance with DIN 127B standard ensures perfect fit for M30 fasteners
• Optimized spring action from split design maintains constant tension and locking force
• Environmental compliance with RoHS 3 certification for sustainable industrial applications
• Heavy-duty construction with 5.8-6.2mm thickness provides robust performance in demanding applications

Professional Applications & Engineering Value

This M30 split lock washer delivers critical vibration-resistant performance in heavy machinery, construction equipment, and industrial assembly applications where dynamic loads and constant movement threaten fastener integrity. The zinc yellow-chromate plated steel construction provides dual protection against corrosion and wear, while the DIN 127B standard ensures dimensional precision for reliable installation. The split lock design creates continuous spring tension that compensates for thermal expansion, material relaxation, and vibration-induced loosening - solving common engineering challenges in industrial maintenance and manufacturing environments. With Rockwell C44 hardness, these washers maintain their locking effectiveness even under extreme pressure and repeated stress cycles.

Specification Summary & Compliance

This metric split lock washer features precise dimensions of 31.7mm inner diameter and 48.2mm outer diameter with 5.8-6.2mm thickness, engineered to exact DIN 127B specifications for M30 screw applications. Manufactured from high-grade steel with zinc yellow-chromate plating for superior corrosion resistance, the washer meets Rockwell C44 hardness requirements for optimal performance. Compliance includes RoHS 3 (2015/863/EU) environmental standards, ensuring safe use across various industrial sectors while maintaining the mechanical properties required for reliable locking functionality.