How far should you turn a nut on a 4 1/4 inch long bolt with 2 sloped surfaces and no beveled washers? How about a 3 inch bolt with both faces square to the bolt? Three of the four accepted methods of bolt tensioning basically use turn of the nut method to confirm proper bolt tension. Now you can know exactly how far to rotate the nut on any bolt up to 12 diameters long.