595 pieces M2 M2.5 M3 M4 M5 12.9 alloy steel hex socket screws and brass threaded inserts with nuts, washers, adjustable wrenches, screw assortment, hex sockets

Package contents: This kit contains 595 M2, M2.5, M3, M4, and M5 hex head screws, brass threaded inserts, nuts, washers, and matching hex keys. All items are packed in two storage boxes with size labels for easy identification and use. The 12.9-degree alloy steel hex head screws are made of 12.9 alloy steel and are black galvanized. They are oil-free. The 10 hex head screws in sizes M2 x 4, M2 x 8, M2.5 x 8, M2.5 x 12, M3 x 6, M3 x 12, M4 x 16, M4 x 20, M5 x 12, and M5 x 20 offer good resistance to corrosion, rust, and oxidation, making them suitable for long-term use. The threads are smooth and burr-free, resisting deformation and slippage. You can use the hex key to tighten. The nuts and flat washers prevent loosening.
8 Sizes of Brass Threaded Inserts ---- Made of brass, 8 sizes M2, M2.5, M3, M4, M5 threaded inserts boast thermal conductivity, corrosion resistance, and durability. Withstands temperatures exceeding 300°C to 572°F. Suitable for all thermoplastics, such as PLA, PETG, ABS, PPS, PP, and more. Widely used in 3D printing, PCB assembly, and electronics.
🎈 Various Size Options ---- We have prepared 5 thread diameter sizes: M2, M2.5, M3, M4, M5. Includes 10 socket head cap screws and 8 brass threaded inserts. Equipped with nuts, washers, and matching wrenches. Easy to install and remove. Our kit also saves you time and effort compared to buying individual components. Numerous uses: Our kit is suitable for connecting and fixing components in various fields, such as household appliances, furniture repair, DIY projects, electronic products, communication devices, robots, 3D printing equipment, mechanical instruments, and more. A great gift for professionals and hobbyists who regularly repair furniture, cars, etc.