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OTHER SIZES AVAILABLE (Please Call)

OTHER SIZES AVAILABLE (Please Call)A TENSION CONTROL BOLT(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 wrench which prevents the bolt from turning while the nut is tightened. When the appropriate torque is reached the spline shears off.