3/8-16 x 1 Carriage Bolt - Full Thread - Plated 3/8"-16 x 1" (ft) carriage bolts - plated C38161 $0.180/ea
3/8"-16 x 2 1/2" Step Bolt , Full Thread - Plated 3/8-16 x 2 1/2 (ft) step bolt - plated SB3816212 $1.077/ea