S-95160A230 0.512" ID x 0.869" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from hot-dipped galvanized steel coating, extending service life in humid or outdoor environments
• Reliable vibration resistance with standard split lock design that maintains consistent spring tension under dynamic loads
• Optimized dimensional accuracy with precise 0.512" ID ensuring perfect fit for 1/2" fasteners
• Enhanced durability from Rockwell C38 hardness rating, providing excellent resistance to deformation under high torque
• Industry-standard compliance with ASME B18.21.1 specifications for guaranteed performance and interchangeability
• Environmental responsibility through RoHS 3 compliance, meeting strict international substance restrictions
• Robust construction with 0.125" thickness and 0.869" OD for maximum bearing surface and load distribution

Professional Applications & Engineering Value

These hot-dipped galvanized steel split lock washers deliver critical vibration-proof security in demanding mechanical assemblies where loosening under dynamic loads poses significant operational risks. The heavy-duty construction with Rockwell C38 hardness ensures the split lock design maintains consistent spring tension, preventing fastener back-off in industrial machinery, construction equipment, and transportation applications. The zinc coating provides exceptional corrosion protection, making these ASME B18.21.1 compliant washers ideal for outdoor installations, marine environments, and chemical processing facilities where moisture and corrosive elements threaten fastener integrity. Engineered specifically for 1/2" screw sizes with precise 0.512" ID, these washers ensure perfect fitment while the generous 0.869" OD distributes clamping forces effectively across joined surfaces.

Specification Summary & Compliance

This split lock washer features inch system dimensions with 0.512" internal diameter, 0.869" outer diameter, and 0.125" thickness, manufactured to ASME B18.21.1 standards for dimensional accuracy and performance reliability. The hot-dipped galvanized steel construction meets Rockwell C38 hardness requirements, ensuring consistent spring performance. Compliance with RoHS 3 (2015/863/EU) confirms environmental responsibility, while the standard split lock design provides proven vibration resistance for 1/2" fastener applications across industrial and mechanical systems.