Aluminum Alloy 2024-T4 Standard Flat Washers Lightweight, Strong, Durable and Corrosion Resistant Non-Magnetic and Non-Staining Forms its own Protective Coating for Corrosion Resistance Best Strength-to-Weight Ratio of all Common Metals

An aluminum, or aluminium, flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw diameter. Aluminum flat washers are corrosion resistant, lightweight, and non-magnetic. Our aluminum washers are made of 2024-T4 Aluminum Alloy which is a high strength aluminum alloy with good fatigue resistence and strength-to-weight ratio.