DIN 7504 M vs ISO 15481 vs GB/T 15856.1
Phillips Pan Head Self-Drilling Screw
- Interchangeable
- Yes. Every dimension is the same, in all 6 sizes. Order either.
- Which to order
- ISO 15481 for new drawings. It replaced DIN 7504 M, and if your drawing says DIN 7504 M, we make DIN 7504 M.
- GB/T 15856.1
- China's version of ISO 15481, with the same dimensions.
- Sizes
- ST2.9 to ST6.3 in all three.
| Size | PThread Pitch | aThread Runout | daUnderhead Diameter | dkHead Diameter | dkHead Diameter | kNominal Head Height | kHead Height | rRadius | rfHead Radius (ref.) | Recess Number | mType H Recess Width (ref.) | Type H Penetration (max) (mm) | Type H Penetration (min) (mm) | mType Z / Socket Width (ref.) | Type Z Penetration (max) (mm) | Type Z Penetration (min) (mm) | Drilling Capacity (min) (mm) | Drilling Capacity (max) (mm) | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | DIN 7504 M | ISO 15481 | GB/T 15856.1 | |
| ST2.9 | 1.1same | – | 1.1 | 1.1 | – | 3.5 | 3.5 | – | 5.6 | 5.6 | – | 5.3 | 5.3 | – | 2.4 | 2.4 | – | 2.15 | 2.15 | – | 0.1 | 0.1 | – | 5 | 5 | – | 1 | 1 | – | 3 | 3 | – | 1.8 | 1.8 | – | 1.4 | 1.4 | – | 3 | 3 | – | 1.75 | 1.75 | – | 1.45 | 1.45 | 0.7same | 1.9same | ||||||
| ST3.5 | 1.3same | – | 1.3 | 1.3 | – | 4.1 | 4.1 | – | 7 | 7 | – | 6.64 | 6.64 | – | 2.6 | 2.6 | – | 2.35 | 2.35 | – | 0.1 | 0.1 | – | 6 | 6 | – | 2 | 2 | – | 3.9 | 3.9 | – | 1.9 | 1.9 | – | 1.4 | 1.4 | – | 4 | 4 | – | 1.9 | 1.9 | – | 1.5 | 1.5 | 0.7same | 2.25same | ||||||
| ST4.2 | 1.4same | – | 1.4 | 1.4 | – | 4.9 | 4.9 | – | 8 | 8 | – | 7.64 | 7.64 | – | 3.1 | 3.1 | – | 2.8 | 2.8 | – | 0.2 | 0.2 | – | 6.5 | 6.5 | – | 2 | 2 | – | 4.4 | 4.4 | – | 2.4 | 2.4 | – | 1.9 | 1.9 | – | 4.4 | 4.4 | – | 2.35 | 2.35 | – | 1.95 | 1.95 | 1.75same | 3same | ||||||
| ST4.8 | 1.6same | – | 1.6 | 1.6 | – | 5.6 | 5.6 | – | 9.5 | 9.5 | – | 9.14 | 9.14 | – | 3.7 | 3.7 | – | 3.4 | 3.4 | – | 0.2 | 0.2 | – | 8 | 8 | – | 2 | 2 | – | 4.9 | 4.9 | – | 2.9 | 2.9 | – | 2.4 | 2.4 | – | 4.8 | 4.8 | – | 2.75 | 2.75 | – | 2.3 | 2.3 | 1.75same | 4.4same | ||||||
| ST5.5 | 1.8same | – | 1.8 | 1.8 | – | 6.3 | 6.3 | – | 11 | 11 | – | 10.57 | 10.57 | – | 4 | 4 | – | 3.7 | 3.7 | – | 0.25 | 0.25 | – | 9 | 9 | – | 3 | 3 | – | 6.4 | 6.4 | – | 3.1 | 3.1 | – | 2.6 | 2.6 | – | 6.2 | 6.2 | – | 3 | 3 | – | 2.55 | 2.55 | 1.75same | 5.25same | ||||||
| ST6.3 | 1.8same | – | 1.8 | 1.8 | – | 7.3 | 7.3 | – | 12 | 12 | – | 11.57 | 11.57 | – | 4.6 | 4.6 | – | 4.3 | 4.3 | – | 0.25 | 0.25 | – | 10 | 10 | – | 3 | 3 | – | 6.9 | 6.9 | – | 3.6 | 3.6 | – | 3.1 | 3.1 | – | 6.8 | 6.8 | – | 3.5 | 3.5 | – | 3.05 | 3.05 | 2same | 6same | ||||||