Original Vintage Antique Slot Machine Base Long Bolt with brass slotted nut.

Look up pictures for best description and condition. The bolts has been be blasted of all rust the threads are perfect and length is 14 and 1/2 in Long. The bolt size is 1/4- 20. The brass nut is approximately 7/16 OD. Do you need any other measurements with a caliper please let me know