S-91111A118 3.4 mm ID x 5.6 mm OD DIN 7980 Split Lock Washers for Socket Head Screws
Split Lock Washers for Socket Head Screws
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress applications
- Excellent corrosion resistance from 18-8 stainless steel ensures long-term reliability in harsh environments
- Precision M3 compatibility with 3.4mm ID and 5.6mm OD provides perfect fit for standard metric fasteners
- DIN 7980 compliance guarantees consistent quality and dimensional accuracy
- Environmental compliance with RoHS 3 and REACH standards meets strict industrial safety requirements
- Optimized thickness range (0.9-1.1mm) balances locking performance with space constraints
- Standard split lock design delivers reliable spring action for secure fastening in dynamic applications
Professional Applications & Engineering Value
This M3 split lock washer delivers critical vibration resistance in demanding industrial environments where fastener security is paramount. Engineered from 18-8 stainless steel, it provides exceptional corrosion resistance for applications exposed to moisture, chemicals, or outdoor conditions. The DIN 7980 compliant design ensures precise dimensional tolerances and consistent performance in assembly lines, machinery, and equipment manufacturing. The split lock configuration creates continuous spring tension that counters loosening from vibration and thermal cycling, making it ideal for automotive components, electrical enclosures, and precision instruments. With metric sizing optimized for M3 fasteners, this washer maintains secure connections while meeting international environmental compliance standards for industrial procurement.
Specification Summary & Compliance
This split lock washer features precise dimensional specifications with 3.4mm inner diameter, 5.6mm outer diameter, and 0.9-1.1mm thickness range. Manufactured to DIN 7980 standards for dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant with current SVHC requirements as of January 17, 2023. Constructed from 18-8 stainless steel for corrosion resistance and durability in industrial applications.
