5/8 Medium Split Lock Washer Black Oxide WEI188 it features a 3/8-16 thread

it features a 3/8-16 thread size

making it suitable for outdoor use or in harsh environments

They have a zinc finish for corrosion resistance

preventing the nut from loosening due to vibration or other forces

while the fully threaded body ensures a secure hold

5/8 Medium Split Lock Washer Black Oxide WEI188 it features a 3/8-16 threadThe 5 8" Medium Split Lock Washer in Black Oxide is a versatile and durable fastener designed to prevent loosening and vibration in threaded assemblies. Made from high quality steel, it features a split design that creates spring tension when compressed, ensuring a secure hold. The black oxide finish provides corrosion resistance, making it suitable for both indoor and outdoor applications. This lock washer is an essential component for maintaining