Tension Control Bolts Disadvantages

There are several disadvantages to the twist off system.

Tension control bolts disadvantages.

They are ready to be installed with a shear wrench. Also known as tc bolts these bolts have a dome shaped head and they can t be driven using any normal tools working with tension control bolts requires a special type of wrench. A tension control bolts consists of 1 bolt 1 nut and 1 washer pre assembled and there for they are. Downloads to incorporate our range of fasteners and shear wrenches into designs cad drawings technical and dimensional details along with quality certificates and installation documents are available to download.

The main advantage of twist off bolts is that they can be tightened from one side by one person although bolt installers now realize that regular hex bolts and dti s can also be installed one side one man too. This wrench has an inner and an outer socket. Tension control bolts are the most commonly used fasteners for steel to steel fastening of high strength applications. The head is dome shaped and is not designed to be driven with normal tools.

Tension control bolts also known as tc bolts are used for high strength steel to steel fastening. The inner socket rotates the spline clockwise and the outer socket rotates the nut counterclockwise. Tc bolts come in limited lengths and diameters. Once the correct tension has been achieved the spline breaks off.

It is one of the most commonly used fasteners for high strength applications even preferred over large hex bolts. Tension control bolts tc bolts or twist off bolts are now the most popular choice in high strength structural bolting and formally recognized by the aisc american institute of steel construction and the rcsc research council on structural connections as an approved installation method.