3 8 x 3 1 2 grade 8 bolt July 8, 2019 16 32 64 128 5 8 x 3 1 2 grade 8 bolt 3 4 x 3 1 2 grade 8 bolts 3 8 x 1 1 2 grade 8 carriage bolt 3/8 grade 8 bolt strength
