5/8" Flat Washer (SAE) for Screws, Bolts - Galvanized Steel Quantity (click drop-down for price breaks):300 pcs - $0.12 each This reinforcement prevents the forms

This reinforcement prevents the forms from bowing or breaking under pressure

8 mm steel base plates and 4 pre-drilled holes per side for a strong

11" x 48" tube sandbags used for erosion control on a hillside

it can be easily installed on concrete surfaces

5/8" Flat Washer (SAE) for Screws, Bolts - Galvanized Steel Quantity (click drop-down for price breaks):300 pcs - $0.12 each This reinforcement prevents the formsThe Secret Weapon for Stronger Screws and Bolts This 5 8" Flat Washer (also known as a plain washer) is designed for secure project connections. Made from sturdy electro galvanized steel, these round washers feature an inner diameter of 11 16" and an outer diameter of 1 3 4", making them ideal for use with 5 8 inch bolts or screws. Great for general applications, this versatile washer is an essential addition to your toolbox. Specs Material: Steel