1/2-13, Zinc Plated, Steel K-Lock Hex Nut with External Tooth Lock Washer MPN:KEPI0500-100BX

This industrial strength steel hex nut features a K-lock washer on the internal threads providing extra tightening security while also including a zinc plating for added corrosion resistance. Its 1/2-13 thread size and hex shape make it compatible with common hardware applications, and ideal for use in areas where vibration or re-torqueing may occur. Commonly used by automotive, construction, and manufacturing professionals who demand reliable locking mechanisms on their fasteners, the external teeth design adds extra gripping strength compared to traditional lock washers.