Standard
Product material: iron, galvanized, stainless steel (201, 301, 316), copper, aluminum, 65Mn
Applicable industries: hardware industry, electrical industry, electronics industry, toy industry, furniture industry
Implementation standards: national standard GB 93-1987 / German standard DIN 127-1987 / American standard ASME B 18.21.1-1999 / Japanese standard JIS 7251-1995