510 Pcs M4 Countersunk Bolts and Nuts Set, Small Stainless Steel Nuts and Bolts, Flat Head Hex Socket Head Cap Screws Set, Machine Screws Assortment Kit(510pcs M4)

• High-strength stainless steel material: M4 nuts and bolts set is made of 304 stainless steel, which has excellent anti-rust and corrosion resistance. Suitable for humid or outdoor environments and can be used for a long time
• Precision countersunk design: The flat countersunk bolts structure allows the bolt to be fully embedded in the workpiece surface, keeping the installation surface flat and beautiful, and is suitable for precision mechanical assembly with high surface flatness requirements
• Hexagonal drive structure: M4 bolts and nuts set adopts hex socket screws design, which can be quickly tightened with the matching hexagonal wrench, which is more labor-saving and not easy to slip, improving assembly efficiency
• Wide application: Suitable for assembly and maintenance of precision equipment such as 3D printers, aircraft models, furniture, bicycles, etc., it is an ideal tool set for DIY enthusiasts and engineers
• Package includes: A total of 510 pieces, including M4 bolts, nuts and hexagonal wrenches of various specifications, a one-stop solution to the assembly needs of small machinery, electronic products, etc

What are the advantages of our M4 stainless steel bolts and nuts set? 1. Machine screws assorted are made of 304 stainless steel, with excellent anti-rust and corrosion resistance, suitable for wet or outdoor environments 2. The flat countersunk bolt structure of countersunk bolts allows the bolts to be fully embedded in the surface of the workpiece, keeping the installation surface flat and beautiful 3. M4 bolts and nuts adopt a hex socket design, which can be quickly tightened with a hexagonal wrench to improve assembly efficiency 4. Matching nuts and washers can expand the contact area, reduce pressure, protect screws and parts, and extend the service life of hardware. 5. Suitable for assembly and maintenance of precision equipment such as 3D printers, aircraft models, furniture, bicycles, etc., it is an ideal tool set for DIY enthusiasts and engineers Features: Material: Stainless Steel Color: Silver Quantity: 510 Pcs Package Includes: 45 Pcs - M4x8mm 30 Pcs - M4x10mm 30 Pcs - M4x12mm 25 Pcs - M4x16mm 25 Pcs - M4x18mm 20 Pcs - M4x20mm 30 Pcs - M4x25mm 25 Pcs - M4x35mm 25 Pcs - M4x30mm 255 Pcs - M4 Nuts 1 - Wrench Warranty after sale: If you have any questions, please contact us in time, and we will solve your questions ASAP. Warm Tips: Color may vary slightly from the online image due to your monitor color settings, please refer to the actual product, thank you for your understanding.