Simple Circuits In collab with JUSTWAY.com JUSTWAY · Sheet Metal Fabrication The Part Is Formed. The Finish Makes It Real. A deep dive into JUSTWAY's sheet metal fabrication process and the surface finishes — anodizing, powder coat, bead blast, black oxide and more — that turn a bent panel into a shippable product. 10 + Finishes for Sheet Metal ± 0.2 mm Cutting Tolerance 3 – 5 Day Lead Time < 6 mm Standard Sheet Thickness The Foundation What Is Sheet Metal Fabrication? Sheet metal fabrication is a cold-processing method for thin metal plates — generally under 6 mm thick — that covers shearing, punching, bending, welding, riveting and, finally, surface treatment. Its defining trait: the thickness stays constant across the entire part. ...