ISO14579 Hexalobular Socket Head Cap Screws
ISO 14579 Hexalobular Socket Head Cap Screws are precision-engineered fasteners manufactured according to ISO 14579 standards. Featuring a hexalobular socket drive design, these socket head cap screws provide better torque transmission and reduced risk of tool slipping compared with traditional hexagon socket designs. With a cylindrical head and internal drive system, ISO 14579 screws are suitable for applications requiring compact fastening solutions, high clamping force and reliable assembly performance.
Manufactured from materials such as stainless steel, alloy steel or other engineering materials, ISO 14579 Hexalobular Socket Head Cap Screws are available in different sizes, strength classes and surface finishes to meet various industrial requirements. They are widely used in machinery, automotive components, electronic equipment, industrial assemblies and precision engineering applications where accurate installation and dependable fastening are essential.
Specification of ISO 14579 Hexalobular Socket Head Cap Screws:
ISO 14579 Hexalobular Socket Head Cap Screws are manufactured according to ISO 14579 specifications, which define the requirements for socket head cap screws with a hexalobular internal drive. The specification covers important details including screw dimensions, thread requirements, head dimensions, material grades, mechanical properties and surface finishes. Compared with traditional hexagon socket head cap screws, the hexalobular socket design provides improved torque transmission and helps reduce the risk of tool damage during installation.
ISO 14579 screws are available in various materials and strength classes to meet different industrial requirements. Common options include stainless steel grades such as A2 and A4, as well as alloy steel with different strength classes. The following table provides the main specifications of ISO 14579 Hexalobular Socket Head Cap Screws, including standard, material, strength class, thread type and available finishes.
| Product name | ISO14579 Hexalobular Socket Head Cap Screws |
|---|---|
| Standard | ISO 14579 |
| Head Type | Socket Head Cap Screw |
| Drive Type | Hexalobular Socket(Torx) |
| Thread Standard | ISO965 |
| Thread Tolerance | 6g |
| Thread Diameter | M2-M20 |
| Material | Stainless Steel/Alloy Steel |
| Surface Treatment | Nylok Patch/Thread Locking/Black Oxidation/Zinc Plated/Nylok Patch/Thread Locking/Passivated |
| Packaging | Boxes/cartons into wooden pallets |
Dimension Chart of ISO 14579 Hexalobular Socket Head Cap Screws:
The dimension chart of ISO 14579 Hexalobular Socket Head Cap Screws provides detailed specifications including thread diameter, screw length, head diameter, head height, hexalobular drive size and other critical dimensions. These dimensions are manufactured according to the ISO 14579 standard to ensure accurate fit, reliable fastening performance and compatibility with corresponding tools and assemblies.
As a professional stainless steel fastener manufacturer, we supply ISO 14579 screws in various sizes, including standard metric dimensions from M2 to M20, with options in A2-70, A4-70 stainless steel and other materials according to customer requirements.
| Mon | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 |
| P | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 |
| dk max | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 |
| dk min | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 |
| da max | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 |
| k max | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| k min | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 |
| r min | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 |
| No. | T6 | T8 | T10 | T20 | T25 | T30 | T45 | T50 | T55 | T60 | T70 | T80 | T90 |
| e | 1.75 | 2.4 | 2.8 | 3.95 | 4.5 | 5.6 | 7.95 | 8.95 | 11.35 | 13.45 | 15.7 | 17.75 | 20.2 |
| t max | 0.84 | 1.04 | 1.27 | 1.8 | 2.03 | 2.42 | 3.31 | 4.02 | 5.21 | 5.99 | 7.01 | 8 | 9.2 |
| t min | 0.71 | 0.91 | 1.01 | 1.42 | 1.65 | 2.02 | 2.92 | 3.62 | 4.82 | 5.62 | 6.62 | 7.5 | 8.69 |
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Application of ISO 14579 Hexalobular Socket Head Cap Screws:
ISO 14579 Hexalobular Socket Head Cap Screws are designed for applications that require secure fastening, efficient installation, and consistent clamping performance. Compared with conventional hex socket screws, the hexalobular Torx drive provides a larger contact area between the driver and screw recess, allowing higher torque transmission while reducing the risk of cam-out and recess damage during tightening. This makes them particularly suitable for applications involving repeated assembly, power tool installation, and automated production lines.
Due to their cylindrical head design and internal drive structure, ISO 14579 screws are widely used in precision machinery, automotive components, industrial equipment, robotics, automation systems, and electronic devices where space-saving fastening solutions are required. The compact head design allows installation in confined areas while maintaining reliable mechanical performance. Stainless steel ISO 14579 screws are also commonly selected for equipment exposed to moisture, chemicals, or demanding operating environments, including food processing machinery, medical equipment, and outdoor applications where corrosion resistance and a clean surface appearance are important.