440 Pcs Self Tapping Screws Metal, M4.2 M4.8 Self Drilling Screws for Metal, Stainless Steel Screws Flat Head Screws, Countersunk Self-tapping Screws for Sheets Wood Roofing Plastic (440)(Disclaimer)

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Product description

  • Exquisite Materials: Our self tapping screws metal are made of high-quality stainless steel, with high strength and hardness, corrosion resistance and rust resistance, smooth surface without burrs, not easy to break or deform, with long-lasting durability and stability.
  • Self-drilling Screws Design: The self drilling screws for metal adopt cross flat head screw/countersunk screw design, with clear and clean threads, uniform pitch, and uniform force, and will not slip during use.
  • The flat head is at the same level as the fastening plane, which is more beautiful.
  • Cross Countersunk Head Screws: Self-drilling screws are designed with the tip of the drill bit and sharp cutting threads for tapping holes during installation, and no pilot hole is required for cutting and tightening.
  • It can be drilled, tapped, and locked directly on building materials to improve work efficiency.
  • Wide Application: Widely used in the fixing of materials such as color steel, iron sheet, plastic steel, aluminum alloy, industrial plastics, etc. of steel structures, and is also used in the production and maintenance of manufacturing, construction, engineering, containers, and steel windows.
  • Package Includes: 440 pcs in total, sizes and quantities include: 70 pcs m4.2x13mm, 60 pcs m4.2x16mm, 50 pcs m4.2x19mm, 35 pcs m4.2x25mm, 30 pcs m4.2x32mm, 20 pcs m4.8x38mm, 20 pcs m4.8x32mm, 30 pcs m4.8x25mm, 35 pcs m4.8x19mm, 40 pcs m4.8x16mm, 50 pcs m4.8x13mm, sufficient quantity and rich size to meet the usage needs of multiple fields and multiple scenarios.

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