ISO 14579 Torx 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:
| Item | Specification |
|---|---|
| Standard | ISO 14579 |
| Product | Hexalobular Socket Head Cap Screws |
| Head Type | Socket Head Cap Screw |
| Drive Type | Hexalobular |
| Thread Standard | ISO 68-1,ISO 965 |
| Thread Tolerance | 6g |
| Size Range | M2-M20 |
| Material | Alloy Steel,Stainless Steel |
| Surface Treatment | Thread Locking,Black Oxidation,Zinc Plated,Nylok Patch,Bright Finish,Passivated |
| Inspection | Dimensions, Thread,Mechanical Property,Coating |
Dimension Chart:
| 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 |
- RELATED SCREWS LISTS:
- Torx Socket Cap Screw
- ISO14580 Torx Socket Screw
- ASME B18.6.3 Torx Socket Cap Screw
- ASME B18.3 Low Cap Torx Screws
- Countersunk Head Torx Screw
- ISO14581 Countersunk Torx Screw
- ASME B18.3 Countersunk Torx Screw
- Button Head Torx Screw
- ISO7380-3 Torx Button Screw
- ASME B18.3 Torx Button Screw
- ISO14583 Torx Pan Head Screw
- Cylindrical Head Torx Screw with Pin
- Cuntersunk Head Torx Screws with Pin
- Button Head Torx Screws with Pin
- ISO14584 Torx Raised Countersunk Head Screws
- ISO14583 Hexalobular Socket Pan Head Screws
Mechanical Property:
ISO 14579 Carbon and Alloy Steel Screws — ISO 898-1
ISO 14579 hexalobular socket head cap screws made from carbon and alloy steel are available in different property classes, including 8.8, 10.9 and 12.9. ISO 898-1 specifies their mechanical properties, including tensile strength, yield strength and hardness. The required property class depends on the strength requirements and fastening conditions of the application.
ISO 14579 Stainless Steel Screws — ISO 3506-1
ISO 14579 hexalobular socket head cap screws made from stainless steel are available in different steel grades and property classes, such as A2-70 and A4-70. ISO 3506-1 specifies their mechanical properties, including tensile strength and 0.2% proof stress. The selection of stainless steel grade depends on the required strength and corrosion resistance in the intended service environment.