600 Pcs M3 M4 M5 Metric Screws Bolts and Nuts and Washers Assortment Kit, Button

--Exquisite Carbon Steel Material: The nuts and bolts assortment kit is made of high-quality carbon steel, which has good corrosion resistance, wear resistance, high hardness, high temperature resistance, oxidation resistance and durability, resistant to rust, not easy to break or deform, and can maintain good performance in harsh environments.\n--Hex Button Head Cap Screws Bolts Nuts Washers Assortment Kit: The thread of the metric bolts and nuts assortment is smooth, clear and precise, and the force is even. The hex socket cap head design can be easily installed with a hexagonal wrench, and it is not easy to slip out.\n--Hex Nuts & Flat Washers: Our flat washers can increase the contact area, protect the bolts, prolong the service life, provide strong holding force and maximum clamping force. Hex nuts can make your installation more precise, fasten better, and carry larger loads.\n--Multi-scenario Application: Widely used for fixing household appliances, furniture, automobiles,n