You can make a ton of different cool stuff with it too! Standard gauges of sheet metal chart ; As the gauge number increases, . Yet those numbers do not indicate a specific dimensional value. Hence, metals with a large gauge number will be thin and vice versa. Screw To Drill Bit Size Chart and Tap and Drill Size Chart - RodsShop from rodsshop.org Sheetmetal #sheetmetalgauge #sheetmetalgaugesastm standards for sheet metal gauge thickness and sheet metal gauge chart formula/ how to find . 21, 0.034, 0.874mm, 0.033, 0.836mm . The higher the gauge number, the lesser the thickness of the material. Fraction inches (mm) inches (mm) inches (mm) inches (mm). Hence, metals with a large gauge number will be thin and vice versa. Gauge (or gage) sizes are numbers that indicate the thickness of a piece of sheet metal, with a higher number referring to a...