S-98449A114 1.06" ID x 1.64" OD ASME B18.21.1 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with internal teeth that bite into mating surfaces to prevent loosening under dynamic loads
• Exceptional corrosion resistance thanks to 400 Series Stainless Steel construction for long-term reliability in harsh environments
• Optimized hardness performance with Rockwell C34 rating ensuring consistent locking force without material deformation
• Precise dimensional compatibility with 1" screws through 1.06" ID and 1.64" OD for secure fit in industrial assemblies
• Industry-standard compliance meeting ASME B18.21.1 specifications for reliable performance in critical applications
• Environmental regulation adherence with RoHS 3 and REACH compliance for global manufacturing requirements
• Consistent thickness control between 0.059-0.067" ensuring uniform clamping force distribution

Professional Applications & Engineering Value

This internal tooth lock washer delivers critical vibration-resistant performance in demanding industrial environments where fastener security is paramount. Engineered from 400 Series Stainless Steel, it provides excellent corrosion resistance while maintaining structural integrity in applications exposed to moisture, chemicals, and temperature variations. The precisely positioned internal teeth create multiple biting points that securely grip both the fastener and mating surface, effectively preventing rotational loosening caused by machinery vibration, impact loads, or thermal cycling. This tooth lock washer is particularly valuable in heavy machinery, automotive assemblies, and industrial equipment where vibration resistance directly impacts operational safety and maintenance intervals. The combination of material strength and specialized tooth design addresses common failure points in dynamic fastener systems, extending service life and reducing downtime.

Specification Summary & Compliance

This tooth lock washer features precise dimensional specifications including 1.06" internal diameter, 1.64" outer diameter, and thickness ranging 0.059-0.067". Manufactured to meet ASME B18.21.1 standards for tooth lock washers, it ensures consistent performance and interchangeability. The washer demonstrates full compliance with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements (updated 06/14/2023, 235 SVHC), making it suitable for global supply chains and environmentally conscious manufacturing operations.