S-93419A113 1.025" ID x 1.62" OD ASME B18.21.1 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with external teeth that bite into mating surfaces to prevent loosening under dynamic loads
• Enhanced durability from 410 stainless steel construction with Rockwell C34 hardness for long service life
• Reliable corrosion resistance suitable for demanding industrial environments and outdoor applications
• Precise dimensional compatibility with 1" fasteners (1.025" ID x 1.62" OD) ensuring proper fit and function
• Industry-standard compliance with ASME B18.21.1 specifications for guaranteed performance and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict international regulations
• Optimized thickness range (0.059-0.067") providing consistent spring action and reliable locking force

Professional Applications & Engineering Value

This 410 stainless steel external tooth lock washer delivers critical vibration resistance in demanding applications where fastener security is paramount. The external tooth configuration creates multiple biting points that dig into both the fastener and bearing surface, effectively preventing rotational loosening caused by machinery vibration, thermal cycling, or dynamic loading. Engineered to ASME B18.21.1 standards, these washers provide reliable performance in heavy equipment, automotive assemblies, construction machinery, and industrial processing systems. The combination of Rockwell C34 hardness and corrosion-resistant 410 stainless steel ensures these lock washers maintain their spring properties and locking effectiveness even in harsh environments, reducing maintenance frequency and preventing costly downtime from fastener failure.

Specification Summary & Compliance

This tooth lock washer features precise inch system dimensions (1.025" ID x 1.62" OD) with thickness ranging 0.059-0.067" to ensure proper compression and spring action. Manufactured in compliance with ASME B18.21.1 specifications for tooth lock washers, guaranteeing dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications with environmental requirements.