About this product
2 1/4 F436 Flat Washer HDG . F436 flat washers are manufactured from carbon steel to meet or exceed ASTM F436. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329. Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436.
Description supplied by FMW Fasteners through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






