General description These 220 pieces of self-tapping wood screws are designed for various applications, including wood, thin iron, plasterboard, drywall, and ceilings. Made from high-quality carbon steel with an anti-rust coating, these screws are strong, durable, and resistant to deformation or breakage. They are ideal for repairing furniture, cabinets, doors, and other wooden structures, making them perfect for home, office, and shop use. Technical specifications Material: Carbon Steel Thread Size: M3.5 Point Style: Type C Point Head Style: Flat Head Closure Type: Self-Drilling Screw Sizes Included: 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm Total Pieces: 220 Usage Easy to use with a screwdriver or drill Self-tapping design eliminates the need for nuts Deep and clear threads for secure locking Other information Packaged in a handy storage box with separate compartments for each size, making them easy to store and carry