I.Y. Elect wrote::? Need to convert metal guage (20) to mm.
Help!!
For sheet steel, 20 gauge would be 0.9119 mm.
For Galvanized Steel, 20 Gauge would be 1.0058 mm
For aluminum, 20 gauge would be 0.8128 mm.
You can find a good conversion calculator at
http://www.onlineconversion.com/gauge_sheet_metal.htm