Tension Control Bolts Disadvantages

Special wrenches are needed.

Tension control bolts disadvantages.

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. Tension control bolts ltd offer a full range of shear wrench sales hire and repair services. The inner socket rotates the spline clockwise and the outer socket rotates the nut counterclockwise. There are several disadvantages to the twist off system.

Tension control bolts are the most commonly used fasteners for steel to steel fastening of high strength applications. Tension control bolts also known as tc bolts are used for high strength steel to steel fastening. 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. Once the correct tension has been achieved the spline breaks off.

The head is dome shaped and is not designed to be driven with normal tools. They are ready to be installed with a shear wrench. A tension control bolts consists of 1 bolt 1 nut and 1 washer pre assembled and there for they are. 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.

Tc bolts come in limited lengths and diameters. Tension control bolts come perfectly pre lubricated by the manufacturer.