High-Quality Lock Washers

What is a Lock Washer?

A lock washer is a highly specialized, tension-inducing fastener engineered specifically to add continuous pressure to a nut or bolt head, actively preventing the joint from loosening over time. The most common configuration is the split-ring lock washer, which is cut and bent so that one end rests slightly higher than the other, creating a distinct helical shape. Manufactured from premium, industrial-grade materials, these heavy-duty washers are absolutely essential for maintaining structural integrity in highly dynamic environments.

Design Features and Mechanical Advantages

Because they function as a compact, heavy-duty spring within the joint, lock washers offer several critical structural advantages for vibrating or high-stress assemblies:

• Dynamic Spring Action: As the mating bolt or nut is tightened, the raised ends of the split-ring are forced flat. This aggressive flattening creates a powerful spring-like action that exerts constant, upward pressure against the fastener head, holding the joined components tightly in place.
• Vibration Resistance: They are the industry standard for preventing hardware from backing out or turning loose under heavy machinery vibration, dynamic loads, or severe thermal expansion and contraction.
• Aggressive Biting Grip: In many applications, the sharp, split edges of the washer physically bite into both the underside of the fastener and the mating surface, providing a mechanical lock that drastically increases frictional resistance.

Request a Quote Today

Have a question about our manufactured lock washers or need help determining the correct thickness for your high-vibration assembly? Contact our team by using our secure online form to submit your project details. You can also give us a call today to speak directly with our fastener specialists. We look forward to speaking with you!