278 Pcs M3 M4 M5 Hex Head Self Tapping Screws, Phillips Hex Flange Washer Head Sheet Metal Sheet to Timber Wood Roofing Screws for Plastic Drywall - Carbon Steel (Black 278)

• Durable Structure: Self tapping screws are made of high-strength carbon steel, which has excellent durability, resistance to deformation, not easy to break, and can ensure reliable connection even in harsh conditions
• Product Features: Hex head screws are designed with a cross-slot pan head with an external hexagonal drive and flange to ensure stability. The self-tapping design makes it also common in the construction industry for connecting stair handrails, railings, door and window frames, etc
• Easy to Store: The self-tapping screws are neatly organized in a transparent, durable storage box with separate compartments for each size. This design keeps the screws classified, and easy to find and carry while preventing confusion
• Widely Used: Ideal for use in industries such as petroleum, chemical, electric power, papermaking, food processing, etc. Perfect for connecting piping systems, containers, equipment, and their accessories to ensure the normal operation and safety of the system
• Package Includes: 278 pieces in total, including m3 x 8mm/10mm/14mm/16mm/20mm, m4 x 10mm/12mm/14mm/16mm, m5 x 10mm/16mm/20mm/25mm, to meet different project needs

What are the advantages of our self-tapping screws? 1. Made of high-strength carbon steel with an anti-rust coating and are designed for superior durability. They are ideal for wood applications, resist deformation and breakage, and ensure reliable performance even in harsh conditions. 2. The set includes 278 self-tapping screws in sizes from M3x8mm to M5x25mm. It features 30 M3x8mm, M3x10mm, M3x14mm, M3x16mm and M3x20mm screws, as well as a variety of M4 and M5 sizes, providing everything you need for a range of projects. 3. Feature a cross-recessed pan head, an external hexagonal drive, and a built-in flange for excellent stability and easy operation. The self-drilling design eliminates the hassle of pre-drilling holes, making installation quick and easy. 4. Deep threads easily penetrate materials and securely hold with minimal deformation. The star-shaped drive head is ideal for tight spaces that require a flush or slightly recessed surface. 5. Suitable for a variety of applications and are perfect for office equipment, home projects, electronics, machinery, and furniture. Features: Material: Carbon steel Color: Black Quantity: 278 Pcs Package includes: M3*8mm 30 pcs M3*10mm 30 pcs M3*14mm 30 pcs M3*16mm 30 pcs M3*20mm 30 pcs M4*10mm 20 pcs M4*12mm 20 pcs M4*14mm 20pcs M4*16mm 25pcs M5*10mm 10pcs M5*16mm 10pcs M5*20mm 10pcs M5*25mm 13pcs After-sales guarantee: If you have any questions, please contact us in time and we will answer your questions as soon as possible.