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395A tension control bolt, also known as a TC bolt, is a heavy duty bolt used in steel frame construction. The head is usually domed and is not designed to be driven. The end of the shank has a spline on it which is engaged by a special power shear wrench which prevents the bolt from turning while the nut is tightened. When the appropriate tension is reached the spline shears off. Meets ASTM A3
A tension control bolt, also known as a TC bolt, is a heavy duty bolt used in steel frame construction. The head is usually domed and is not designed to be driven. The end of the shank has a spline on it which is engaged by a special power shear wrench which prevents the bolt from turning while the nut is tightened. When the appropriate tension is reached the spline shears off. Meets ASTM A325 standard and is supplied assembled with A193 2H heavy hex nut and F436 structural washer.
