S-97093A202 4.5 mm ID x 7.6 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress environments
• Bronze construction with Rockwell B90 hardness provides excellent corrosion resistance and durability
• Precision DIN 127B compliance ensures consistent performance and interchangeability
• 4.5mm ID and 7.6mm OD dimensions guarantee perfect fit for M4 screw applications
• Split lock design creates continuous spring action for maintained clamping force
• Full RoHS 3 and REACH compliance meets stringent environmental and safety standards
• 0.8-1.0mm thickness range offers optimal flexibility while maintaining structural integrity

Professional Applications & Engineering Value

These M4 metric split lock washers deliver exceptional engineering value in applications where vibration-induced loosening compromises safety and performance. The bronze material provides natural corrosion resistance, making these DIN 127B compliant washers ideal for marine, electrical, and chemical processing equipment where moisture and corrosive elements are present. The split lock washer design creates constant spring tension that compensates for thermal expansion and vibration, ensuring maintained preload in industrial fastening systems. Unlike standard steel washers, the bronze construction eliminates galvanic corrosion when used with dissimilar metals, extending service life in complex assemblies.

Specification Summary & Compliance

This split lock washer features precise metric dimensions with 4.5mm inner diameter and 7.6mm outer diameter, specifically engineered for M4 screw applications. Manufactured to DIN 127B standards with Rockwell B90 hardness bronze material, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components.