Midwest Fastener 5/8 in. Split Lock Washer

The Midwest Fastener 5/8 in. Split Lock Washer is engineered to provide constant spring tension and prevent threaded fasteners from loosening due to vibration, shock, or thermal expansion. Its split ring design creates tension against the nut and bolt head, ensuring a secure and reliable hold across a wide range of industrial, automotive, and hardware fastening applications. Crafted from premium 18-8 grade stainless steel, this split lock washer offers exceptional durability and superior corrosion resistance, making it suitable for both indoor and outdoor environments. Ideal for heavy-duty mechanical assemblies and everyday fastening needs, it ensures long-lasting joint integrity and dependable performance.