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Standards: GB, DIN, BS, ANSI, UIN, JIS and ISO, etc
Materials: Carbon Steel (low, middle and high), Stainless Steel, Alloy Steel, Brass, Aluminum, Titanium, Nickel, Cobalt, Chromium, Nylon and PVC etc.
Surface treatment: Zinc (black, white, blue, green, yellow, etc) plated with trivalent or hexavalent chromate, hot dip galvanized, nickel, chromate, gold, silver, copper, Dacrotized, Nylok, etc.
Square Weld Nut
