7/8-9 X 3-1/2″ Grade 8 3 dome head plow bolt, plain finish. Diameter: 7/8″Thread Pitch : 9Length : 3 1/2″Finish: Plain FinishPlow bolts feature a countersunk flat head or a countersunk dome head depending on the size with a square neck. They come are commonly used in farm equipment and heavy earth moving equipment. Grade 8 plow bolts are made from quenched and tempered medium carbon alloy steel and have a minimum tensile strength of 150,000 PSI.








