ISO 14580 Hexalobular (Torx) Socket Cheese Head Screws Technical Datasheet
ISO 14580 specifies hexalobular (Torx) socket cheese head screws with metric threads from M2 to M10, manufactured to Product Grade A tolerances. These screws feature a cylindrical cheese head with a lower profile than conventional socket head cap screws while providing the superior torque transmission and reduced cam-out characteristics of the Torx drive system.
ISO 14580 screws are widely used in electronics, industrial equipment, automation systems, precision machinery, automotive assemblies, telecommunications equipment, and electrical enclosures where controlled tightening torque, repeatable assembly, and compact head dimensions are important.
Technical Note: Although ISO 14580 is officially classified as a hexalobular socket cheese head screw, its compact cylindrical head makes it suitable for many of the same space-restricted applications as low head socket screws. For this reason, it is commonly grouped with low-profile socket screws in industrial catalogs. It should not, however, be considered dimensionally equivalent to DIN 7984.
Table of Contents
ITEM CODE: 1045
Standards
| Standard | Equivalent Standards |
|---|---|
| ISO 14580 | No direct equivalent |
Dimensions
| d1 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 |
| d2 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 |
| k | 1.55 | 1.85 | 2.4 | 3.1 | 3.65 | 4.4 | 5.8 |
| t | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 |
| A | 1.75 | 2.4 | 2.8 | 3.95 | 4.5 | 5.6 | 7.95 |
| Drive | T6 | T8 | T10 | T20 | T25 | T30 | T45 |
all dimensions in mm
Dimensions Tolerances:
General dimensional tolerances for standard metric fasteners—including thread diameter, overall length, head diameter, head height/thickness, across flats, and washer dimensions—are available in our Standard Dimensional Tolerances for Common Metric Fasteners guide.
Certain product-specific features, such as drive recess dimensions, socket depth, countersink geometry, under-head radii, and other special characteristics, are governed by the applicable DIN or ISO product standard and may not included in this datasheet.
Download Technical Datasheets
Stainless Steel
| Grade | Download |
|---|---|
| A2-70 (SS304) | ⬇️ Download Datasheet |
| A4-70 (SS316) | ⬇️ Download Datasheet |
Mechanical Properties
| Material / Property Class | Tensile Strength | Yield Strength | Standard |
|---|---|---|---|
| Stainless Steel A2-70 | ≥ 700 MPa | ≥ 450 MPa | ISO 3506-1 |
| Stainless Steel A4-70 | ≥ 700 MPa | ≥ 450 MPa | ISO 3506-1 |
Material Characteristics and Recommended Applications
| Material | Characteristics | Typical Applications |
|---|---|---|
| Carbon Steel | Economical, good strength | General industrial machinery |
| Alloy Steel 10.9 | High tensile strength | Heavy machinery |
| Alloy Steel 12.9 | Maximum strength | Automotive, tooling, robotics |
| Stainless Steel A2 | Corrosion resistant | Electrical panels, food processing |
| Stainless Steel A4 | Marine corrosion resistance | Offshore, chemical plants |
| Brass | Conductive and decorative | Electrical equipment |
| Titanium | Lightweight and corrosion resistant | Aerospace, defence, medical |
Technical Specifications
| Property | Specification |
|---|---|
| Standard | ISO 14580 |
| Head Style | Cheese Head |
| Drive Type | Internal Hexalobular (Torx) |
| Thread Type | Metric Coarse |
| Thread Direction | Right Hand |
| Thread Sizes | M2 – M10 |
| Product Grade | Grade A |
| Strength Class | 8.8, 10.9, 12.9 |
| Stainless Grades | A2-70, A4-70, A4-80 |
| Finish Options | Plain, Zinc Plated, Black Oxide, Nickel, Geomet, Dacromet |
| Thread Style | Fully Threaded or Partially Threaded (depending on size/length) |
| Temperature Range | Depends on material and coating |
ISO 14580 Hexalobular Socket Cheese Head Screws Weight Chart
Weight in kgs. per 1,000 pcs. All weights are approximations.
| Nominal Length (mm) | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 0.160 | 0.272 | |||||||
| 4 | 0.179 | 0.302 | 0.515 | ||||||
| 5 | 0.198 | 0.332 | 0.560 | 0.786 | 1.09 | ||||
| 6 | 0.217 | 0.362 | 0.604 | 0.845 | 1.17 | 2.06 | |||
| 8 | 0.254 | 0.422 | 0.692 | 0.966 | 1.33 | 2.30 | 3.56 | ||
| 10 | 0.291 | 0.482 | 0.780 | 1.08 | 1.47 | 2.55 | 3.92 | 7.85 | |
| 12 | 0.329 | 0.542 | 0.868 | 1.20 | 1.63 | 2.80 | 4.27 | 8.49 | 14.6 |
| 14 | 0.365 | 0.602 | 0.956 | 1.32 | 1.79 | 3.05 | 4.62 | 9.13 | 15.6 |
| 16 | 0.402 | 0.662 | 1.04 | 1.44 | 1.95 | 3.30 | 4.98 | 9.77 | 16.6 |
| 20 | 0.478 | 1.22 | 1.68 | 2.25 | 3.78 | 5.69 | 11.0 | 18.6 | |
| 25 | 0.932 | 1.44 | 1.98 | 2.64 | 4.40 | 6.56 | 12.6 | 21.1 | |
| 30 | 1.66 | 2.28 | 3.02 | 5.02 | 7.45 | 14.2 | 23.6 | ||
| 35 | 2.57 | 3.41 | 5.62 | 8.25 | 15.8 | 26.1 | |||
| 40 | 3.80 | 6.25 | 9.20 | 17.4 | 28.6 | ||||
| 45 | 6.88 | 10.0 | 18.9 | 31.1 | |||||
| 50 | 7.50 | 10.9 | 20.6 | 33.6 | |||||
| 55 | 11.8 | 22.1 | 36.1 | ||||||
| 60 | 12.7 | 23.7 | 38.6 | ||||||
| 65 | 25.2 | 41.1 | |||||||
| 70 | 26.8 | 43.6 | |||||||
| 75 | 28.3 | 46.1 | |||||||
| 80 | 29.8 | 48.6 |
Applications
- Electrical Control Panels
- Automation Equipment
- Robotics
- Industrial Machinery
- Electronics Manufacturing
- Telecommunications Equipment
- Data Centre Hardware
- Medical Equipment
- Precision Instruments
- Automotive Components
- Defence Equipment
- Aerospace Assemblies
- Machine Guards
- Consumer Electronics
Advantages
- Excellent torque transmission through Torx drive
- Reduced risk of cam-out during tightening
- Lower head height than standard socket head cap screws
- Better driver engagement than Phillips or Hex drives
- Suitable for automated assembly lines
- Compact head design for restricted spaces
- High repeatability during production assembly
- Available in multiple strength classes and corrosion-resistant materials
- Suitable for high-cycle maintenance applications
- Uniform load distribution across the drive recess
Frequently Asked Questions
What is ISO 14580?
ISO 14580 specifies hexalobular (Torx) socket cheese head screws with metric threads from M2 to M10 and Product Grade A tolerances.
Why use a Torx drive instead of a hex socket?
The Torx drive offers higher torque transmission, improved tool engagement, and significantly reduces cam-out, making it suitable for automated assembly and repeated servicing.
What is the difference between ISO 14579 and ISO 14580?
ISO 14579 covers standard socket head cap screws with a taller cylindrical head, whereas ISO 14580 specifies a cheese head design with a lower head profile for applications with limited clearance.
Are ISO 14580 screws fully threaded?
They may be fully threaded or partially threaded depending on the diameter and length of the screw. The applicable dimensional requirements are defined within the ISO standard.
What materials are commonly available?
Common materials include carbon steel, alloy steel (8.8, 10.9, 12.9), stainless steel A2-70, A4-70, A4-80, brass, and titanium.
What industries use ISO 14580 screws?
They are widely used in electronics, automation, machinery, automotive, telecommunications, defence, aerospace, medical equipment, and electrical enclosures.
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