ISO 15482 dimensions — Cross-recessed countersunk head drilling screws with tapping screw thread
- Edition
- 1999 edition, current
- Equivalent
- GB/T 15856.2DIN 7504 O
- Related
- ISO 10666
| Size | PThread pitch | dkTheoretical head diameter | kHead height | mType h recess width | Recess number | Type h penetration | Type h penetration | Type z penetration | Type z penetration | Drilling capacity | Drilling capacity | aThread runout | rRadius | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | nom. | ref. | ref. | max | min | max | min | min | max | max | max | ||||
| ST2.9 | 1.1 | 5.5 | 5.2 | 6.3 | 1.7 | 3.2 | 3.2 | 1 | 2.1 | 1.7 | 2 | 1.6 | 0.7 | 1.9 | 1.1 | 1.2 |
| ST3.5 | 1.3 | 7.3 | 6.9 | 8.2 | 2.35 | 4.4 | 4.3 | 2 | 2.4 | 1.9 | 2.2 | 1.75 | 0.7 | 2.25 | 1.3 | 1.4 |
| ST4.2 | 1.4 | 8.4 | 8 | 9.4 | 2.6 | 4.6 | 4.6 | 2 | 2.6 | 2.1 | 2.5 | 2.05 | 1.75 | 3 | 1.4 | 1.6 |
| ST4.8 | 1.6 | 9.3 | 8.9 | 10.4 | 2.8 | 5.2 | 5.1 | 2 | 3.2 | 2.7 | 3.05 | 2.6 | 1.75 | 4.4 | 1.6 | 2 |
| ST5.5 | 1.8 | 10.3 | 9.9 | 11.5 | 3 | 6.6 | 6.5 | 3 | 3.3 | 2.8 | 3.2 | 2.75 | 1.75 | 5.25 | 1.8 | 2.2 |
| ST6.3 | 1.8 | 11.3 | 10.9 | 12.6 | 3.15 | 6.8 | 6.8 | 3 | 3.5 | 3 | 3.45 | 3 | 2 | 6 | 1.8 | 2.4 |
Dimensions from ISO 15482:1999, the current edition.