3/8"-16 x 3-1/2" Carriage Bolts Steel Hot Dip Galvanized 50
Carriage Bolts, also called round head square neck bolts, generally feature
a broad, shallow round head and are inserted into pre-drilled holes.
The square neck under the head keeps the carriage from turning as the nut is
tightened. Carriage bolts are commonly used to fasten wood or wood and metal
Available with a zinc plated or hot dipped galvanized finish. Carriage Bolts
that are less then 6" in length are generally fully threaded; over 6" in length
the thread is usually 6" or longer.