Midwest Fastener 3/8 in.-16 Coarse Top Lock Nut

The Midwest Fastener 3/8 in.-16 Coarse Top Lock Nut is engineered to provide dependable holding power and resist loosening caused by vibration and dynamic loads. Manufactured from Grade 2 steel, this top lock nut offers strong mechanical strength and structural reliability across a wide variety of automotive, agricultural, and general fastening applications. Featuring a zinc-plated finish for enhanced corrosion resistance, this all-metal locking nut ensures lasting durability in indoor and outdoor environments. Its precision coarse threads allow for smooth installation and positive locking engagement when paired with compatible standard fasteners.