150 PCS Self Tapping Screws Metal M4.2x16MM Hex Head Self Drilling Screws 410 Stainless Steel Tech Screws for Metal Self Tapping Bolts for Ventilation Pipes Corrugated Roofing Windows with Hex Socket

• 【Premium Material】The external hexagon-head tech screws is made of high-quality 410 stainless steel, with an anti-rust surface treatment. It features excellent corrosion resistance, high hardness, and superior tensile strength. The self tapping screws has a diameter of 4.2mm, offering a larger contact area and even force distribution, making it durable and suitable for various environments.
• 【Efficient & Convenient】The external hexagon-head design makes self tapping screws metal easy to position and operate, with a large contact area to provide even pressure distribution. The anti-slip texture ensures precise positioning even when wearing gloves. The optimized cutting angle and drill tail guide groove enable single-handed vertical entry, preventing slipping or misalignment. Self tapping bolts is compatible with various tools, such as drills and manual wrenches.
• 【Easy to Install】Self drilling screws for metal features a deep thread design, ensuring strong penetration and fastening power in different materials, achieving secure connections. Each hexagon-head self drilling screws is designed with a special tail, eliminating the need for pre-drilling, making installation quick and easy. Stainless steel screws can be directly driven into metal, wood, plastic, and other materials, making it an ideal fastening solution.
• 【Wide Applications】Tech screws for metal is widely used in steel structure roofs, metal structures, home appliances, and furniture. Self-tapping screws is ideal for installing metal or PVC roofing panels, corrugated steel, sheet metal components, and can also be used for electromechanical equipment installation, lighting fixtures, brackets, windows, and more. Tek screws is a versatile tool for construction, renovation, and DIY enthusiasts.
• 【Packaging Contents】The package contains 150 pieces of 4.2X16mm 410 external hexagon self tappers screws for metal, providing ample quantity and sizes suitable for various applications. The matching hexagon socket can help you install and use easily and conveniently, improving work efficiency! We offer other stainless steel self tapping screws sizes to choose from, providing reliable fastening for various projects and meeting different work needs.

1. The external hexagon-head metal screws self tapping is made of high-quality 410 stainless steel, with an anti-rust surface treatment that provides excellent corrosion and rust resistance. Metal screws is strong, durable, and resistant to deformation, ensuring long-lasting performance. 2. The drill tail of the self tapping screws for metalwork is extremely sharp, allowing for drilling, tapping, and locking without the need for pre-drilling. The external hexagon-head design distributes pressure evenly, reducing the risk of crushing the material being installed. 3. The matching hexagon socket is easy to use and efficiently installed, helping you to easily cope with emergency repairs and batch operations and improve work efficiency! 4. Self tapping metal screws is perfect for creating weather-resistant roofs using trapezoidal panels, sandwich panels, and more. It can safely and reliably drill into various materials, providing strong fastening for a wide range of projects. Whether securing panels or wall beams, hex screws can easily get the job done. Product Specifications： Material: 410 Stainless Steel Size: 4.2X16MM Color: Silver Packaging Contents： 150 pieces of M4.2 x 16mm self tapping bolts 1 piece Hexagon socket Warm Tips： 1. Due to production batches and manual measurement, slight variations may occur; please understand. 2. Keep out of reach of children to avoid injury or swallowing. 3. If you have any questions, please contact us promptly, and we will provide you with fast and reliable customer service.