Key features

• •Easy to Use: M4 screw kit can be used for the installation of household appliances, lamps, toy furniture, etc. When installing, put the screws into the hardware that needs to be connected, then tighten with the built-in hexagonal wrench, and then install nuts, flat washers and lock washers for reinforcement. After use, just unscrew it and disassemble in the opposite direction, and finally put it into our storage box for next use.
• •12.9 Alloy Steel: The M4 bolt is made of sturdy 12.9 alloy steel, using black galvanizing technology, the surface does not contain organic oil, the threads are even and tight, the hardness is moderate, and it can be used for a long time.
• •Package Contains: 258 pieces M4 screws assortment, 63 screws, 65 nuts, 65 flat washers, 65 lock washers, two types of washers to help strengthen the screws and prevent loosening. With M4 hexagonal wrench and tweezers, installation and disassembly are easy.
• •Standardized metric size: M4 bolt and nut set has 5 most commonly used extended length sizes for daily maintenance: 30/35/40/45/50mm, which conforms to the standard metric system, and the average error is less than 0.01mm.
• •Versatile Applications: Our metric bolt and nut sets come in thick, fixed divider boxes with interior and exterior labels marking the corresponding screw size and quantity for easy storage and access; Elegant box makes it easy to carry in your everyday tool bag , can be used for daily furniture installation, car maintenance, etc.