Midwest Fastener 3/8 in.-16 Serrated Lock Nut

The Midwest Fastener 3/8 in.-16 Serrated Lock Nut is engineered to provide secure and reliable fastening in heavy-duty and everyday applications. Featuring integrated serrations on the bearing surface, this lock nut grips tightly against the mating material 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. It is an ideal choice for machinery, automotive, agricultural, and general construction projects requiring dependable holding power.