These 3/8 x 3 anchors are zinc plated carbon steel

This 12-24 x 7/8 MAXISEAL® Hex Washer Head Self Drilling Screw provides superior strength and corrosion resistance

5/16-24 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

5/8-18 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (125)

3/4-10 A194 2H Heavy Hex Nut Hot Dipped Galvanized and Wax Domestic USA - Bulk Keg (1000) 5/8-18 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA These 3/8 x 3 anchorsThis bulk keg of 1000 3 4 10 A194 2H Heavy Hex Nuts feature a hot dipped galvanized and wax finish, designed for superior corrosion resistance and durability. Made in the USA, this product is engineered for professional use.