Ezitruz M4 Nuts and Bolts Set, 35 Pcs Black Hex Socket Button Head Allen Screws M4x30 mm Machine Bolts ISO 7380 Fully Threaded Screw with Nuts and Washers for Furniture Machinery Bike

• Complete Set: Ezitruz provides you with an 35pcs screw and nut set, comprising 35pcs M4x30 mm black round head hex socket nuts and bolts (thread diameter 4 mm, length 30 mm), 35pcs M4 nuts, 35pcs washers, plus a bit and spanner. This comprehensive accessory set meets diverse fastening needs for daily assembly and maintenance tasks, ensuring more convenient and efficient installation.
• Premium Materials: Ezitruz black round-head hex socket nuts and bolts M4x30 mm are crafted from high-quality carbon steel, conforming to ISO 7380 standards. Tempered through heat treatment, they achieve a mechanical strength grade of 10.9. The surface undergoes black phosphating to form a dense anti-corrosion layer, delivering excellent wear resistance and rust prevention. This ensures structural stability under dynamic loads and demanding environments.
• Hexagon Socket Design: Ezitruz black hex socket button head bolts M4 features an internal hexagonal head design, providing a large contact surface for even force distribution. This allows for the application and withstand of greater tightening torque, reduces slippage, and ensures a more robust and reliable connection. Simultaneously, the smaller bolt head diameter facilitates installation in narrow or recessed spaces, offering greater design flexibility.
• Versatile Applications: Ezitruz round-head hex socket head cap screws are suitable for diverse installation scenarios including furniture assembly, cabinetry, kitchen and bathroom fittings, staircases, security grilles, and more. Nuts and Bolts Set are also commonly used in the assembly and panel fixing of machinery, conveyor belts, and robotic equipment, as well as for securing components, engine covers, brackets, computer cases, and appliance housings.
• Secure and Anti-Loosening: Ezitruz black round-head hex socket bolts come complete with nuts, flat washers, and a socket wrench, eliminating the need for additional accessories and boosting work efficiency. They effectively prevent loosening caused by vibration or external factors, further enhancing connection stability.

Ezitruz black round-head hex socket bolts are specifically designed for diverse DIY, assembly and maintenance projects, meeting connection requirements across various scenarios to ensure secure and reliable installations. Multiple specifications available for flexible adaptation to different needs: M2 hex bolts: M2x4, M2x6, M2x8, M2x10, M2x12, M2x16 M3 Hex Bolts: M3x8, M3x10, M3x12, M3x16, M3x20, M3x25, M3x30, M3x35 M4 Hex Bolts: M4x8, M4x10, M4x12, M4x16, M4x20, M4x25, M4x30, M4x35 M5 hex bolts: M5x8, M5x10, M5x16, M5x20, M5x25, M5x30, M5x35 M6 hex bolts: M6x10, M6x18, M6x20, M6x25, M6x30, M6x35, M6x40 Ezitruz black round-head hex socket bolts are crafted from premium carbon steel with a black zinc finish. This treatment not only enhances corrosion and rust resistance but also delivers outstanding wear resistance, ensuring long-term reliability even in damp or outdoor conditions. Combining durability with ease of use, Ezitruz black round-head hex socket bolts are a dependable choice for craftsmen, DIY enthusiasts and home maintenance experts alike.