Corrosion Resistant Square Bolts are featured with dimensional accuracy and have high tensile strength. These Square Bolts are made of quality grade carbon steel or boron steel that ensure long lasting usage. These Square Bolts are corrosion resistant and are available in M 16 to M 36 diameter and 30 mm to 300 mm length. Corrosion Resistant Square Bolts are offered in hot dip galvanized, zinc plated, self and black finish.