General description The 340 Pieces Self Tapping Screws set includes a variety of carbon steel self-drilling screws designed for use in soft wood and metal applications. This kit features 8 different specifications, all housed in a convenient plastic box for easy storage and transport. The screws are crafted for durability and efficiency, making them suitable for a wide range of projects. Technical specifications Material: Carbon Steel Color: Black Dimensions: 17 x 10 x 2.2 centimeters Specifications: M3.0x10, M3.5x12, M3.5x16, M3.5x25, M4.0x10, M4.0x12, M4.0x16, M4.8x12 Drive System: Cross Head Head Style: Flat Head, Round Head Point Style: C Point Fastening Type: Self-drilling, Self-tapping Screws Usage Ideal for wood, furniture, electrical equipment, toys, electronics, and small household appliances. Suitable for outdoor applications and fixing objects to trees. Can be drilled directly into materials without pre-drilling. Other information Sharp thread design for smooth installation