| (mm) | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
|---|---|---|---|---|---|---|---|
| P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| dk max | 10 | 13 | 16 | 18 | 21 | 24 | 30 |
| dk min | 9.87 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 29.67 |
| da max | 6.8 | 9.2 | 11.2 | 14.2 | 16.2 | 18.2 | 22.4 |
| k max | 3.9 | 5 | 6 | 7 | 9 | 11 | 13 |
| k min | 3.6 | 4.7 | 5.7 | 6.64 | 8.64 | 10.57 | 12.57 |
| r min | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 |
| No. | T30 | T40 | T50 | T55 | T55 | T60 | T80 |
| t max | 2 | 2.6 | 3 | 3.8 | 4 | 4.5 | 7 |
| t min | 1.6 | 2.2 | 2.6 | 3.32 | 3.52 | 4.02 | 6.42 |
| s max | 4.15 | 5 | 6.62 | 8.2 | 8.2 | 9.8 | 13 |
The Torx Drive Cap Head Sems Machine Screws are available in a range of sizes from M6 to M20, accommodating various applications.
Key features include:
- Thread Pitch: Options range from P1 for M6 to P2.5 for M20, ensuring a secure fit for different materials.
- Diameter Measurements: The nominal and maximum diameters are well-defined, with dk max ranging from 10 mm for M6 to 30 mm for M20.
- Head Dimensions: The maximum head diameters (da max) vary from 6.8 mm for M6 to 22.4 mm for M20, offering flexibility in installation.
- Shank Dimensions: The k max values range from 3.9 mm for M6 to 13 mm for M20, alongside minimum k values that ensure compatibility with standard tools.
- Key Engagement: A minimum engagement radius (r min) starting at 0.25 mm ensures robust torque transfer without damaging the screw.
- Length Options: Lengths are available from 2 mm (T30) up to 7 mm (T80), targeting a variety of fastening needs.
- Durability: Made from high-quality materials designed for strength and longevity.
This extensive range of specifications makes Torx Drive Cap Head Sems Machine Screws an ideal choice for distributors looking to meet diverse customer needs in various industries.












