M12 1.25/1.5/1.75mm Pitch 12.9Grade GB5783 Left Handed Way Opposite Reverse Fine Thread External Hex Hexagon Head Cap Screw Bolt

M12 1.25/1.5/1.75mm Pitch 12.9Grade GB5783 Left Handed Way Opposite Reverse Fine Thread External Hex Hexagon Head Cap Screw Bolt

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