The M10 x 20 shoulder eye bolt is perfect for hanging most metric hardware speakers.
Manufactured in the USA of drop forged carbon steel, it has a M10 - 1.5 ISO coarse threaded 6 g stud.
The eye opening is 27 mm ID. The OD of the eye ring is 46 mm, with a 9.5 mm thickness.
Recommended for in-line pull, the rated straight pull capacity is 1628 pounds, or 740 kgs.
The M10 eye bolt is similar in size to a 7/16 inch eye bolt.