Bolts versus rivets

By using Nord-Lock washers, a bolted fastener can overcome many of the disadvantages of rivets, while still offering the advantages of bolts.

Rivets offer a number of advantages over threaded bolts. They won’t loosen when subjected to vibration and can secure joints with short clamp length. On the other hand, compared to threaded bolts, they are cumbersome and time consuming to install and remove, and offer limited clamp load.

However, securing a threaded bolt with a Nord-Lock washer ensures resistance to vibration, and also makes it possible to secure joints with short clamp length.

  Bolt with Nord-Lock washer Rivets
Clamp load A high clamp load can be created simply by turning the nut and bolt. Since rivets have no threads, they can create a very limited clamp load.
Access Through hole installation requires access to both sides of the bolted joint. However, this can be solved by a tapped hole design. It can be installed from one side. Useful in applications with limited access to the opposite side.
Tooling Standard handheld tools are sufficient. Specialized tooling required for installation.
Vibration resistance While standard threaded bolts will loosen when subjected to heavy vibration, it can be prevented by securing with Nord-Lock washers. Will not rotate loose because of vibration.
Reusability Can be removed quickly and easily using standard tools, and parts can be reused. Need to be cut out. Unable to be reused.
Installation Fast and simple. For example in the construction industry used with easy to install HV/HR kits. Time-consuming. Traditionally riveting was commonly used in the steel construction industry. Nowadays this method is being replaced by HV/HR kits as they do not require special tool kits.

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