A325 TC Bolts Galvanized - Structural Bolts - Joseph Fazzio Inc Things To Know Before You Buy

Tension control bolts, TC Bolts or Twist Off Bolts, have turned into one of the world's most extensively utilized technique to stress high strength structural bolts, as they can be utilized in practically all steelwork connections. As a high strength tension control bolt supplier, AFT provides ASTM A325 and A490 TC bolts in bolt sizes varying from 5/8" up to 1" and lengths from 1-1/2" up to 7".

Please contract us today with any questions on TC bolts or to ask for a quote on large amounts. We're here to help! TC bolts include a three-piece attachment system with 1) a round head bolt with a truncated, flat surface location at the top of the bolt, and a 24-sided tip which protrudes from the opposite end.

2) a heavy hex nut and, 3) a structural flat washer. Stress Control Bolt Resources:.

Some Ideas on Structural and TC Bolts - Colony Hardware You Need To Know

anti-corrosion defense Stress Control Bolts Ltd has its own metal finishing plant producing an ecologically friendly anti-corrosion covering called Greenkote, which is similar to galvanising, although it is harder wearing and readily accepts all paint systems. Discover more about Greenkote.

A tension control bolt is a pre-assembled bolt, nut, and washer used particularly in steel frame construction. Also called a TC bolt, they have a domed head rather than a hex head due to the fact that they are set up from a spline on their other end. This spline connects with a special power wrench for setup.

Stress control bolts come perfectly pre-lubricated by the manufacturer. They are ready to be installed with a shear wrench. This wrench has an inner and an external socket. The inner socket rotates the spline clockwise and the outer socket turns the nut counterclockwise. Once the appropriate stress has been accomplished, the spline breaks off.

4 Simple Techniques For A325 & A490 Tension Control Bolts - CYW USA Inc.

There is just one lot number included in the tension control bolt assembly and they come exactly oiled. They are regulated by the AISC, American Institute of Steel Building And Construction, and RCSC, Research Council on Structural Connections. This Article Is More In-Depth of the tension control bolt is that it is set up with an exactly calibrated shear wrench that takes the guesswork out of accomplishing the correct preload (tension produced in a fastener when it is tightened up).