³W½d¡G ANSI (IFI), DIN, JIS, ISO.
¤ú³W¡G UNC, UNF, WIT, METRIC.
§÷½èºØÃþ¡GA2, A4, 18-8, 302HQ(XM-7), 304, 304M, 304HC, 304L, 305J1, 
             316, 316C, 6L, 410, 430.