Specifications: M8 series, thread diameter 8mm, thread length 59mm, total length 95mm, single weight: 36.7g, standard size. Material: 304 stainless steel. Widely used in various engineering cranes, metallurgical and mining equipment, port rail handling, electrical equipment, etc. Suitable for homes, offices, hotels and other places, the fixing and suspension function, can be screwed into wood or masonry using a suitable wall fastener. Product advantages: 304 stainless steel hook screw, durable, high hardness, rustproof. Exquisitely crafted using large-scale machinery, numerous experiments have proven that the exterior does not oxidize or rust and is 1.3 times stronger than ordinary steel. Note: Do not rub between the bolts to avoid damaging the threads. Commitment: Our products are of high quality, and we dare to promise any quality issues. If you are not satisfied with the quality of the product, you can contact us by email at any time.