Which fastening method is advantageous in applications where high loads are present?

The Hi-Lok fastening method is particularly advantageous in applications where high loads are present due to its unique design that combines the benefits of both rivets and bolts. Hi-Lok fasteners feature a high-strength pin that is inserted into a pre-drilled hole and locked in place with a collar, providing a secure grip even under extreme stress. This locking mechanism helps distribute loads more evenly across the joint and minimizes the risk of loosening under vibration or thermal cycling, making it ideal for high-load and critical structural applications.

In addition, Hi-Loks are easier to install in tight spaces, and they don't require the same level of access for tightening as traditional nuts and bolts. This aspect allows for quicker assembly in complex structures, which is highly beneficial in aerospace and other engineering industries where weight saving and performance integrity under high stress are essential.

Riveting also offers high strength, but once installed, rivets cannot be easily removed or adjusted, which may limit their utility in certain applications. Threaded fasteners and standard nut and bolts can also hold significant loads, yet they are more prone to loosening. Thus, for high-load applications, the combination of strength, reliability, and ease of installation makes Hi-Lok fasteners the preferred choice.