450 Pcs M3 Bolts and Nuts Set, M3 Nuts and Bolts Set, round Head Hexagon Socket

--10.9 Grade Carbon Steel, Strong and Durable: M3 nuts and bolts set is made of high-quality 10.9 grade carbon steel, with high hardness, large torque, strong stability, not easy to break or deform, corrosion-resistant, not easy to rust, can provide high performance in any environment, durable, and can serve you for a long time.\n--Hex Socket Button Head Cap Screws Bolts and Nuts and Washers Set: The thread is clear the force is evenly distributed, and it can be easily assembled and disassembled with the equipped hex wrench. Button head Allen bolts are designed with a wide load-bearing surface, which can provide more space with limited hardware, making it less likely to loosen and achieve a better assembly effect.\n--Hex Nuts and Flat Washers: flat washers can increase the contact area, protect the bolts, prolong the service life, provide strong holding force and maximum clamping tight force. Hex nuts can make your installation more precise, fasten better, and carry larger loads\n--M.