M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 Black Grade 12.9 Carbon steel DIN7991 Hexagon Hex Socket Flat Head Countersunk Allen Bolt Screw

M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 Black Grade 12.9 Carbon steel DIN7991 Hexagon Hex Socket Flat Head Countersunk Allen Bolt Screw

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