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The nut has a hexagonal shape and a serrated edge
The shank is partially threaded
The square head provides a secure grip during installation
The zinc plating provides corrosion resistance
Its high-quality construction ensures longevity and reliability
#8 Internal Tooth Lock Washer Black Oxide CH5OC The nut has a hexagonal#8 Internal Tooth Lock Washer Black Oxide is a high quality washer designed to prevent loosening due to vibration or shock. It features a unique internal tooth design that bites into the mating surface, creating a secure hold. The black oxide finish provides excellent corrosion resistance, making it suitable for use in harsh environments. This washer is commonly used in automotive, industrial, and construction applications where secure fastening is
