Specifications: M5 series, thread diameter 5mm, thread length 32mm, total length 59mm. Single weight: 8.9g, standard size. Material: 304 stainless steel. Widely used in various engineering cranes, metallurgical and mining equipment, port rail handling, power equipment, etc. Suitable for homes, offices, hotels and other places, the role of fixing and hanging, can be screwed into wood or masonry through a suitable wall socket fixing device. Advantages Product details: 304 stainless steel hook screw, durable, high hardness, anti-rust. Exquisitely made of super-large machines, after many experiments proved that in the exterior will not be oxidized, rust, 1.3 times larger than ordinary steel tensile. Note: Do not rub not between the bolts to avoid damage to the threads Commitment: Our products are of high quality and dare to promise quality problems. If you are not satisfied with the quality of the product, you can contact us by email at any time.