304 Stainless Steel: The eye bolts are made of high-quality 304 stainless steel. They are characterized by high hardness, good corrosion resistance, and durability. The exterior will not oxidize or rust. Dimensions: M10 x 40 mm eye bolt: thread diameter: 10 mm, thread length: 40 mm, inner ring diameter: 25.8 mm, outer ring diameter: 40.25 mm, eye bolt thickness: 7.3 mm. Product advantages: 304 stainless steel eye bolts, durable, strong, and rust-proof. The thread surface is smooth, the force is even, it is not easily damaged, and it is durable. Product features: For home, office, hotel, and other places, for fixing and hanging. Can be screwed into wood or masonry with a suitable wall anchor. Application: Our eye bolts are widely used in various engineering cranes, metallurgical and mining equipment, loading and unloading of port tracks, electrical equipment, and lifting of ship weight, etc. Package includes: 4 * Eye bolts