1 2 13 x 4 1 2 bolt July 8, 2019 16 32 64 128 A 1 2 13 unc 2a x 2 1 4 hex bolt has 1 2 13 x 4 1 2 carriage bolt 1 2 13 unc 2a x 2 1 4 hex bolt 13x1 2
