... 3.0mm 4.Good corrosion resistance and oxidative Characteristics: (1) Economic and useful: What we need to do is ... .v.G/SQ.MWidthWire Gauge (Diameter)BWGInch mmTolerance(mm)1/2"13mm±1.50.7mm - 952' - 2M25, 24, 23, 22 ... 551' - 2M25, 24, 23, 22, 21, 20, 19, 181-1/4"31mm±4.00.9mm - 401' - 2M23, 22, 21, ... 2mm - 401' - 2M23, 22, 21, 20, 19, 18Note: 1.) The above tolerance comply with standard EN10223-2:1997; 2 ...