Commonly found on cup bolts; also can be seen on raised countersunk (plow bolts/earth-moving) and hexagon (pump bolts). The square is used to retain the head while the mating nut is tightened.
Following the products we produced to showed our abilities :
We have installed the 3 dies and 4 Dies Bolt Former Machine, so we can develop more sophisticated Products. |
Square Neck Commonly found on cup bolts; also can be seen on raised countersunk (plow bolts/earth- |