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Hexalobular Head Screw: The Ultimate in Fastening Performance

When it comes to precision fastening solutions, Hexalobular Head Screws stand out for their superior torque transfer and reliability. These screws are engineered with a six-lobed drive system, which minimizes the risk of cam-out and stripping, ensuring maximum efficiency in high-stress applications. For projects requiring enhanced load distribution, the Hexalobular Head Bolt with Large Flange offers an extended bearing surface, reducing surface pressure and preventing damage to assembled materials. Alternatively, the Hexalobular Head Bolt with Small Flange provides a compact design ideal for space-constrained environments, without compromising on strength or stability. Both variants maintain the core benefits of the hexalobular drive, including higher torque capacity and reduced tool wear.


The Hexalobular Head Screw series incorporates advanced materials and manufacturing techniques to meet diverse industrial demands. Key parameters include high tensile strength, corrosion resistance, and compatibility with automated assembly systems. Below is a detailed breakdown of the product specifications:

  • Drive Type: Internal hexalobular (Torx) for optimal torque transmission
  • Head Styles: Pan, flat, or button head options for various clearance requirements
  • Thread Types: Fully threaded or partial thread designs to suit specific load conditions
  • Material Grades: Stainless steel (A2/A4), alloy steel (grade 8.8/10.9), and titanium for extreme environments
  • Surface Treatments: Zinc plating, black oxide, or dichromate sealing to enhance durability and appearance
Parameter Hexalobular Head Screw (Standard) Hexalobular Head Bolt with Large Flange Hexalobular Head Bolt with Small Flange
Drive Size (Torx) T10 to T55 T15 to T60 T10 to T40
Flange Diameter (mm) N/A 20 - 50 12 - 25
Thread Size Range M3 to M20 M5 to M24 M3 to M16
Tensile Strength (MPa) 800 - 1000 900 - 1100 800 - 1000
Corrosion Resistance High (optional coatings) Very High (standard coatings) High (optional coatings)

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