5 5 8 x 18 July 8, 2019 16 32 64 128 5 8 x 180 5 8 x 183 belt 5 8 x 181 belt 5 8 x 18 bolt 5 8 x 18 tap 5 8 x 18 nut 5 8 x 18 unf 5 8 x 18 anchor bolts 5 8 x 18 die 5 8 x 18 lug nuts 5 8 x 18 threaded rod 5 8 x 18 tap drill size 5 8 x 18 heim joint 5 8 x 18 4 5 8 x 18 muzzle brake