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10.9black km

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January 07, 2026
Category Connection: Carbon steel screws
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Tags:
#nickel-plated PWB self-tapping screws #carbon steel wood screws with washer #M2M3 cross recessed round head screws
Brief: Discover how Grade 10.9 high-strength countersunk hexagon socket screws deliver exceptional performance in demanding industrial applications. This video demonstrates their ultra-high fastening strength, flush flat-head design for concealed installation, and precise hexagon socket drive for efficient torque transmission in narrow spaces.
Related Product Features:
  • Grade 10.9 rating provides excellent torsion and shear resistance with tensile strength of 1000MPa and yield strength of 900MPa.
  • Made from medium carbon steel or alloy steel with quenching and tempering heat treatment for enhanced durability.
  • Conical flat-head design fully embeds into workpiece counterbores, creating a flush surface finish.
  • Prevents operator injury and equipment damage while ensuring visual neatness for decorative panels and precision equipment casings.
  • Hexagon socket drive provides over 90% wrench fit for efficient high-torque transmission without slipping or wear.
  • Hidden socket design prevents dust and oil contamination, extending screw lifespan.
  • Available in sizes M2, M3, M4, M5, M6, M8, M10, and M12 for various heavy-load applications.
  • Allows easy access and installation in narrow spaces due to the countersunk head and socket drive design.
FAQs:
  • What materials are these Grade 10.9 countersunk hexagon socket screws made from?
    These screws are made from medium carbon steel or alloy steel, undergoing quenching and tempering heat treatment to achieve their high-strength properties.
  • What are the key advantages of the countersunk flat-head design?
    The conical flat-head design fully embeds into workpiece counterbores, creating a flush surface that prevents operator injury, equipment damage, and ensures visual neatness for applications like decorative panels and precision equipment casings.
  • How does the hexagon socket drive perform under high torque?
    The hexagon socket drive provides over 90% wrench fit, enabling efficient high-torque transmission without slipping or wear, while the hidden socket design prevents dust and oil contamination to extend screw lifespan.
  • What sizes are available for these high-strength countersunk screws?
    These screws are available in sizes M2, M3, M4, M5, M6, M8, M10, and M12, catering to various heavy-load industrial applications.
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