200Pcs Stainless Steel Self-tapping Screws Round Flat Head Self Drilling Screw Fastener High-Strength Wood Sheet Metal Hardware Screw

High-quality material]: These self-tapping screws are made of 410 stainless steel, which is very durable and rust-proof and corrosion-resistant. They are able to maintain their original color and hardness for a long time, ensuring long-lasting durability. Full thread coverage]: The full thread design provides a firm and reliable fastening. It ensures a tight grip and even pressure distribution, making it ideal for a variety of materials such as wood, iron and steel plates. Efficient drilling and tapping]: These screws combine drilling, tapping and locking functions in one step. The sharp mechanical blade is manufactured with advanced technology to ensure its sharpness, durability, and ability to save time and manpower. Strong bonding]: The deep and evenly spaced threads provide excellent grip and strong bonding. Even under heavy loads or harsh conditions, they ensure a secure connection and prevent loosening. Easy to use]: Standard cross slot design ensures a firm grip and is not easy