Midwest Fastener #6 External Tooth Lock Washer

The Midwest Fastener #6 External Tooth Lock Washer provides dependable locking action and vibration resistance across a variety of hardware and fastening assemblies. Designed with external teeth that bite into mating surfaces, it prevents fasteners from loosening under tension and operational movement. Crafted from durable steel and finished with a zinc coating, this lock washer offers enhanced corrosion resistance and strength for reliable performance in indoor and outdoor applications.