S-91074A151 0.26" ID x 0.43" OD Extreme-Vibration-Resistant Wedge Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents loosening under extreme dynamic loads, reducing maintenance needs and equipment downtime
• Dual-sided serration design provides maximum locking force on both contact surfaces for enhanced joint security
• Zinc-flake-coated steel construction offers excellent corrosion protection while maintaining structural integrity
• Rockwell C46 hardness rating ensures long-term durability and resistance to deformation under high clamping pressures
• Precision M6 metric sizing (0.26" ID/0.43" OD) guarantees perfect fit and optimal performance in metric fastener systems
• Environmental compliance meets RoHS 3 and REACH standards for safe use in regulated industries worldwide
• Consistent thickness control (0.060-0.080") ensures reliable performance and uniform clamping force distribution

Professional Applications & Engineering Value

This M6 wedge lock washer delivers exceptional engineering value through its zinc-flake-coated steel construction and innovative top and bottom serration design. The dual-sided serrations create a powerful wedging action that resists rotational forces and vibrational loosening in demanding applications. The metric system compatibility makes it ideal for European machinery, automotive assemblies, and industrial equipment where vibration resistance is critical. The zinc-flake coating provides superior corrosion protection without compromising the washer's locking capability, addressing common failure points in harsh operating environments. This combination of features solves critical bolted joint challenges in heavy-duty applications where safety and reliability are paramount, from construction equipment to manufacturing machinery.

Specification Summary & Compliance

This wedge lock washer features precise dimensional specifications including 0.26" inner diameter, 0.43" outer diameter, and thickness ranging from 0.060" to 0.080" for M6 screw applications. Manufactured to exacting standards with Rockwell C46 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for international industrial use.