#4 External Tooth Lock Washer Black Oxide
These lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement. They are made of hardened steel and have a black oxide finish for corrosion resistance. The external teeth bite into the mating surface to provide a secure hold. These washers are ideal for use in automotive, industrial, and construction applications.
* Prevents nuts and bolts from loosening
* Hardened steel construction
* Black oxide finish for corrosion resistance
* External teeth bite into mating surface
* Ideal for automotive, industrial, and construction applications
