Local welding and machine shops often have excess material they are willing to sell.
Pre-cut, small sheets of aluminum, steel, and brass in standard gauges. Examples: Home Depot, Lowe's, and Menards. Specialized Metal Suppliers where can i buy sheet metal
Sheet metal thickness is measured in gauges; the higher the gauge number, the thinner the metal. Local welding and machine shops often have excess
Small pieces, odd shapes, and supporting local businesses. small sheets of aluminum
Online retailers are the most convenient option if you need specialized metals or specific sizes not found locally.
Many suppliers will cut the metal to your exact specifications for a small additional fee, saving you time and tool wear.