Ezitruz 60 Pcs Countersunk Screws Set, M4x8 mm Bolts Black Flat Head Machine Screws Phillips Carbon Steel Bolts with Nuts and Washers Fully Threaded for Home Furniture Doors Fences

• Complete Set: Ezitruz provides an 60pcs cross-head screw and nut set, comprising 60pcs black M4x8 mm countersunk screws (thread diameter 4 mm, shank length 8 mm), 60pcs M4 nuts, 60pcs washers, and 1 screwdriver bit. M4 Bolt ample quantity facilitates replacement and backup, suitable for confined space operations, deep holes, or high-torque requirements.
• Premium Materials: Ezitruz flat head machine screw M4 are crafted from high-grade carbon steel with a black phosphated finish. This smooth, burr-free surface forms a dense corrosion-resistant layer, delivering excellent wear resistance and rust prevention. M4 countersunk bolts boast high hardness and robust construction, resisting breakage and deformation to maintain structural integrity under dynamic loads and harsh conditions.
• Countersunk Design: Featuring a cross-recessed countersunk head, Ezitruz black flat head bolts M4 increase contact area for even force distribution, effectively preventing wood splitting. Post-installation, black furniture bolts lie flush against material surfaces without sinking into thin panels, ensuring secure connections suitable for diverse high-strength fastening applications.
• Secure Retention: When paired with nuts and washers, Ezitruz black cross-recessed countersunk bolts achieve dual locking effects. Installation requires no additional accessories, boosting efficiency while effectively preventing loosening due to vibration or external factors, further enhancing connection stability.
• Versatile Applications: Suitable for metal, plastic, wood and other materials, Ezitruz black cross-recess countersunk bolts are widely used in furniture assembly and repair—including doors, windows, fencing, cabinets, tables and chairs—as well as for securing components such as motorcycle, bicycle and automotive mudguards. Flat head countersunk screws meet diverse requirements across domestic and engineering appli.

Ezitruz black cross-recess countersunk bolts are meticulously engineered for diverse DIY assembly, home maintenance and structural reinforcement projects, delivering stable and reliable fastening solutions. Effortlessly tackling complex installation scenarios, black cross-recess countersunk bolts serve as your dependable assistant for both domestic and professional tasks. Multiple specifications available to flexibly accommodate varying requirements: M3 cross-recess countersunk bolts: M3x6, M3x8, M3x12, M3x16, M3x20, M3x25, M3x30, M3x35, M3x40 M4 Cross-Head Countersunk Screws: M4x8, M4x10, M4x12, M4x16, M4x20, M4x25, M4x30, M3x35 M5 Phillips countersunk screws: M5x10, M5x12, M5x16, M5x20, M5x25, M5x30, M5x40, M5x50 M6 Phillips countersunk screws: M6x10, M6x20, M6x25, M6x35, M6x40 Applications: Multi-material compatibility: Securely fastens diverse materials including metal, plastic, and timber with exceptional versatility Home assembly and maintenance: Ideal for installing and reinforcing furniture such as doors, windows, cabinets, tables, chairs, bed frames, and bookshelves Vehicle component fixing: Suitable for mounting accessories on motorcycles, bicycles, and automotive components including mudguards and wheel arches