Anyone know what the thread is on the mounting bolts for the rear shocks on a 99 T & C. it seems to be 12mm but I don't know the pitch. Took the old shocks off and two of the four bolts are not usable. One was bent (appears the bottom of the shock hit something) and another was galled. Dealer didn't have in stock nor did any of the auto parts stores in the area. Went to a nut and bolt store and got two but they don't fit. Trying to figure if the threads are stretched or if they gave me the wrong pitch thread. Probably the latter. Also, the bolts are threaded all the way with a pilot pin on the end and a capured washer. Seems that they should have a shoulder.