Midwest Fastener 5/16-18 in. Keps Lock Nut

The Midwest Fastener 5/16-18 in. Keps Lock Nut is engineered for secure and reliable fastening across a wide range of hardware and mechanical applications. Featuring an integrated free-spinning external tooth lock washer, this keps nut bites into mating surfaces to resist loosening caused by vibration and dynamic movement. Constructed from durable steel with a protective zinc finish, this lock nut offers enhanced corrosion resistance and long-lasting performance. Designed for convenience, the pre-assembled washer design speeds up assembly time and ensures dependable holding power.