S-95795A032 0.448" ID x 1.07" OD ASME B18.21.1 Internal / External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through internal/external teeth design that prevents fastener loosening under dynamic loads
• Enhanced corrosion protection with zinc plating that extends service life in demanding industrial environments
• Exceptional durability with Rockwell C40 hardness rating ensuring long-term performance under high stress conditions
• Precision dimensional accuracy with 0.448" ID and 1.07" OD for perfect fit with 7/16" screws
• Industry-standard compliance meeting ASME B18.21.1 specifications for reliable mechanical fastening
• Environmental safety assurance with RoHS 3 and REACH compliance for responsible manufacturing
• Consistent thickness control between 0.043-0.047" ensuring uniform clamping force distribution

Professional Applications & Engineering Value

This zinc-plated steel tooth lock washer delivers critical engineering solutions for applications where vibration-induced loosening compromises system integrity. The unique internal/external tooth configuration creates multiple biting surfaces that dig into both the fastener and mating surface, providing superior locking action compared to standard washers. The Rockwell C40 hardness ensures the teeth maintain their bite without deformation under repeated stress cycles. Particularly valuable in heavy machinery, automotive assemblies, and industrial equipment using 7/16" screw applications, this washer prevents costly downtime and maintenance by maintaining joint integrity in high-vibration environments. The zinc plating offers essential corrosion resistance, while the precise dimensional tolerances ensure consistent performance across production runs.

Specification Summary & Compliance

This tooth lock washer features precise dimensional specifications including 0.448" internal diameter, 1.07" outer diameter, and thickness ranging from 0.043" to 0.047". Manufactured to ASME B18.21.1 standards for mechanical fasteners, it ensures reliable performance in industrial applications. The washer is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements regarding substance restrictions, making it suitable for global industrial markets with strict environmental regulations.