material:alloy steel strength grade: 12.9/10.9 Professional manufacturing ISO7380-10.9 socket button head cap screw.ISO7380Material: Alloy SteelStrength Grade: 10.9Size: M2-M16Length: 3mm-100mmSurface Treatment: Black Oxide
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material:alloy steel strength grade: 12.9/10.9 Professional manufacturing ISO7380-10.9 socket button head cap screw.ISO7380Material: Alloy SteelStrength Grade: 10.9Size: M2-M16Length: 3mm-100mmSurface Treatment: Black Oxide
