320 Pcs Self Tapping Screws, M3.9 Black Screws for Wood Screws Assortment, Torx Pan Head Screws, Mushroom Head Truss Head Self Drilling Screws for Sheet Metal Wood Plastic Screws (M3.9)

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  • Exquisite Materials M3.9 self tapping screws are made of high-quality carbon steel, with high strength, high hardness, corrosion resistance, anti-aging, not easy to break, strong, with long-lasting durability and stability
  • Torx Screws Set Black wood screws adopts a Torx screws design, stable force, and can be easily installed and removed with the matching drill bit. Ideal tools for professionals, amateurs, craftsmen, carpenters, etc
  • Self-tapping Screws Design Uniform pitch and strong clamping force; large round head design allows more efficient drilling and tightening; self-tapping design allows self-tapping screws to easily and accurately penetrate the material, providing a firm grip and high-speed installation process
  • Wide Application Suitable for home repairs, wood and metal processing, furniture installation, computer repair and assembly, automobile manufacturing, door and window industry, new project construction, and other fields
  • Package Includes A total of 320 pieces, size, and quantity include 120 pcs m3.9x13mm, 100 pcs m3.9x16mm, 100 pcs m3.9x20mm, 1 x torx bit, all in a sturdy storage box, well organized, easy to carry and find. A variety of sizes to meet daily use needs

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