Toplock Nut for Terex BT4792

The 221-97002 toplock nut functions as a critical fastening component within the rear bumper assembly of the Terex BT4792 crane. It features a 3/4-10 NC thread and a zinc-plated finish to provide surface protection. The toplock design incorporates a locking mechanism at the top of the nut, which creates friction against the bolt threads to prevent loosening during operation.

This component is specifically compatible with the Terex BT4792 model. It is manufactured to meet the technical specifications required for secure fastening in heavy machinery applications.

Toplock nuts are used in mechanical systems to maintain tension in bolted joints. By resisting the effects of vibration and thermal cycling, these nuts ensure that structural connections remain tight and properly aligned throughout the service life of the machine.