S-92165A124 0.795" ID x 1.245" OD ASME B18.21.1 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through internal tooth design that bites into mating surfaces, preventing loosening under dynamic loads
• Exceptional corrosion resistance from bronze construction, ideal for harsh industrial environments and marine applications
• Optimal hardness performance with Rockwell B60 rating ensuring consistent spring action and long-term reliability
• Precise dimensional compatibility with 3/4" fasteners (0.795" ID, 1.245" OD) for secure fit and uniform load distribution
• Industry-standard compliance with ASME B18.21.1 specifications guaranteeing interchangeability and engineering reliability
• Environmental safety assurance through RoHS 3 and REACH compliance, meeting global regulatory requirements
• Enhanced durability with controlled thickness (0.047-0.055") providing consistent performance across temperature variations

Professional Applications & Engineering Value

These bronze tooth lock washers deliver critical vibration-resistant performance in demanding industrial applications where fastener security is paramount. The internal tooth configuration creates multiple biting points that dig into both the fastener and mounting surface, effectively resisting rotational forces in heavy machinery, power transmission systems, and marine equipment. The bronze material offers natural corrosion resistance while maintaining excellent spring properties at Rockwell B60 hardness, ensuring the washer maintains tension without fracturing under cyclic loading. Engineered to ASME B18.21.1 standards, these washers provide reliable performance in automotive assemblies, industrial pumps, and electrical enclosures where vibration-induced loosening can lead to equipment failure or safety hazards. The combination of precise dimensional control and material properties makes these internal tooth washers ideal for maintenance-critical applications requiring long-term fastener integrity.

Specification Summary & Compliance

This bronze tooth lock washer features inch system dimensions with 0.795" internal diameter, 1.245" outer diameter, and thickness ranging 0.047-0.055" for 3/4" screw applications. Manufactured to ASME B18.21.1 specifications for tooth lock washers, ensuring dimensional accuracy and performance reliability. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components. The internal tooth location provides optimal locking action while the bronze material with Rockwell B60 hardness delivers consistent mechanical properties across various operating conditions.