ISO 15481 dimensions — Cross-recessed pan head drilling screws with tapping screw thread
- Edition
- 1999 edition, current
- Equivalent
- GB/T 15856.1DIN 7504 M
- Related
- ISO 10666
| Size | PThread pitch | dkHead diameter | kHead height | mType h recess width | rfHead radius | Recess number | Type h penetration | Type h penetration | Type z penetration | Type z penetration | Drilling capacity | Drilling capacity | daUnderhead diameter | aThread runout | rRadius | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | nom. | min | ref. | ref. | ref. | max | min | max | min | min | max | max | max | min | ||||
| ST2.9 | 1.1 | 5.6 | 5.3 | 2.4 | 2.15 | 3 | 3 | 5 | 1 | 1.8 | 1.4 | 1.75 | 1.45 | 0.7 | 1.9 | 3.5 | 1.1 | 0.1 |
| ST3.5 | 1.3 | 7 | 6.64 | 2.6 | 2.35 | 3.9 | 4 | 6 | 2 | 1.9 | 1.4 | 1.9 | 1.5 | 0.7 | 2.25 | 4.1 | 1.3 | 0.1 |
| ST4.2 | 1.4 | 8 | 7.64 | 3.1 | 2.8 | 4.4 | 4.4 | 6.5 | 2 | 2.4 | 1.9 | 2.35 | 1.95 | 1.75 | 3 | 4.9 | 1.4 | 0.2 |
| ST4.8 | 1.6 | 9.5 | 9.14 | 3.7 | 3.4 | 4.9 | 4.8 | 8 | 2 | 2.9 | 2.4 | 2.75 | 2.3 | 1.75 | 4.4 | 5.6 | 1.6 | 0.2 |
| ST5.5 | 1.8 | 11 | 10.57 | 4 | 3.7 | 6.4 | 6.2 | 9 | 3 | 3.1 | 2.6 | 3 | 2.55 | 1.75 | 5.25 | 6.3 | 1.8 | 0.25 |
| ST6.3 | 1.8 | 12 | 11.57 | 4.6 | 4.3 | 6.9 | 6.8 | 10 | 3 | 3.6 | 3.1 | 3.5 | 3.05 | 2 | 6 | 7.3 | 1.8 | 0.25 |
Dimensions from ISO 15481:1999, the current edition.