along with zinc plating

9/16-12 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

these screws offer superior strength against rust and corrosion

1-8 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

Its durable

1 1/4 USS Flat Washer Med Carbon Through Hardened Plain Domestic USA - Carton (150) 1/2-13 A325 Type 1 Heavy Hex Bolts Hot Dipped Galvanized Domestic USA along with zinc platingOur 1 1 4" USS Flat Washers are engineered for extreme duty applications where strength and reliability are paramount. Sold in a 150 piece quantity, these USA made washers are forged from thru hardened medium carbon steel for incredible toughness and resistance to deformation. The wide USS pattern is designed to spread immense clamping forces over a large area, protecting joint surfaces in the most demanding environments.