5/8 Square Washer 0.688 ID 2.000 OD 0.112-0.128 Thk Steel USA - AMPG - Shoulder Screws, Shoulder Bolts, Sex Bolts, Flat Washers, Machine Screws and other fasteners
B200DGRN | Eaton B-Line series square washer | Eaton
Square Washers Hot Dipped Galvanized - 5/8" (ID 11/16", OD 2", THK 0.125") - Qty-25: Amazon.com: Industrial & Scientific
7/16 inch Zinc Plated Steel 1 - 5/8 inch Cooper B-Line Square Washer (B201ZN) at Main Electric Supply
5/8 x 2-1/2" Steel Square Plate Washer Hot Dip Galvanized
Amazon.ca: Square Washers: Tools & Home Improvement