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1.material of hex nut:stainless steel ,carbon steel.
2.surface treatment:black,white blue,zinc nickel Passivation,Galvanized or according require.
3.standard: Din, ISO,JIS& ANSI,GB ,BS
4.packing of hex nut:general export packing poly bag cartons or according require
5.size:M3-M80
Hex flange nuts DIN6923
JIAXING TENGFLY FASTENERS LIMITED
Fasteners
