S-91190A600 19 mm ID x 26.4 mm OD DIN 7980 Split Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional vibration resistance prevents fastener loosening in high-stress environments
• Black-oxide steel construction provides superior corrosion protection for extended service life
• Rockwell C44 hardness rating ensures consistent spring tension and reliable locking performance
• Precision DIN 7980 compliance guarantees dimensional accuracy and interchangeability
• Optimized 19mm ID/26.4mm OD dimensions ensure perfect fit for M18 screw applications
• Full REACH and RoHS 3 compliance meets stringent environmental and safety standards
• 3.3-3.7mm thickness range maintains optimal flexibility while providing secure locking force

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M18 split lock washers deliver critical vibration resistance where fastener security is paramount. The black-oxide steel surface treatment creates a durable barrier against corrosion, significantly extending component life in harsh operating conditions. With Rockwell C44 hardness, these DIN 7980 compliant washers maintain consistent spring tension under dynamic loads, preventing loosening in machinery, automotive assemblies, and heavy equipment. The standard split lock design provides reliable locking action for M18 screw applications, making them ideal for maintenance, manufacturing, and assembly operations where vibration-induced failure is a concern.

Specification Summary & Compliance

This metric split lock washer features precise dimensions of 19mm ID, 26.4mm OD, and 3.3-3.7mm thickness, manufactured to DIN 7980 standards for dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.