Carriage Bolts, Coarse 18-8 Stainless Steel
Carriage bolts are zinc plated and have a domed head with a small square shank underneath to preventing the bolt from turning when the nut is tightened. 18-8 stainless steel is very corrosion resistant, strong at high temps and have a minimum tensile strength similar to a Grade 2 bolt. Hi-Line carries 18-8 stainless steel Carriage Bolts, Coarse in various sizes.