Prime-Line 9080082 Flat Washers, USS, 3/8 inch X 1 inch OD, Hot Dip Galvanized Steel, 50, Zinc : Amazon.ca: Tools & Home Improvement
3/4 Machined Washer 0.781 ID 1.625 OD 0.151-0.161 Thk Steel Case Hard USA - AMPG - Shoulder Screws, Shoulder Bolts, Sex Bolts, Flat Washers, Machine Screws and other fasteners
3/8" Stainless Flat Finish Washer 7/8" OD (100pc) by Bolt Dropper, 18-8 (304) Stainless Steel : Amazon.ca: Tools & Home Improvement