If the torque value of the anchor bolt is not provided by the manufacturer, the bolt can be tightened according to the 50% torque value required by API686, and there must be 1½ thread extension nuts.
If there is no ground bolt torque value provided by the manufacturing plant, the bolt can be tightened in accordance with the 50% torque value required by API686, with 11/2 thread edout nut.
If no torque value of anchor bolt is provided by the manufacturer, the bolt can be tightened according to 50% of the torque value required by api686, with 1 / 2 threads extending out of the nut.<br>