🎈Specifications: bolts:M5X10 --- 15PCS/M5X16 --- 15PCS/M5X20 --- 15PCS/M5X25 --- 15PCS/M5X30 --- 15PCS,Total: (75PCS) with nut 75PCS, Material: 304 stainless steel(Product measurement in millimeters, 1 mm = 0.039 in) | 🎈Good thread: deep lines, even lines, clear lines, balanced use and good fastening. The tail is smooth, easy to use and does not slip. Robust and reliable. | 🎈Bolt Characteristics: The main function of the external thread of the hexagonal bolt is to work with the nut, used to fasten and connect two parts with through holes. | 🎈304 stainless steel, high hardness, corrosion resistance, can be used in humid environments, and do not worry about rust | 🎈100% customer satisfaction, if you are not satisfied with the product, you can always send us an email to us, provide you with satisfactory service in the first time