ISO 15480 ST4.2 x 50 Washer Head Drilling Screw
In stock in 7 material, grade and finish combinations.
Dimensions at ST4.2 x 50
mm · ISO 15480 · 2019 edition| Dimension | Nominal | Min | Max | DIN 7504 K | |
|---|---|---|---|---|---|
| d | Thread size | ST4.2 | – | – | ST4.2 |
| P | Thread pitch | 1.4 | – | – | 1.4 |
| l | Length | 50 | – | – | 50 |
| a | Thread runout | – | – | 1.4 | 1.4 |
| c | Washer height | – | 0.8 | – | 0.8 |
| da | Underhead diameter | – | – | 4.9 | — |
| dc | Flange diameter | 8.8 | – | – | 8.8 |
| dc | Bearing diameter | – | 8.1 | – | 8.1 |
| e | Width across corners | – | 7.59 | – | 7.59 |
| k | Head height | 4.1 | 3.6 | – | 3.6 |
| kw | Wrenching height | – | 1.8 | – | 1.8 |
| r1 | Radius r1 | – | 0.2 | – | — |
| r2 | Radius r2 | – | – | 0.3 | 0.3 |
| s | Width across flats | – | 6.78 | 7 | 6.78–7 |
| Drilling capacity | – | 1.75 | 3 | 1.75–3 |
- DIN 7504 K
- Values in bold differ from ISO 15480.
- Length under head
- 50 mm · 48.75–51.25 mm to ISO 15480Longer than the ISO 15480 dimension table (to 38 mm) — the standard itself provides for it
- Approx. weight
- ≈ 4.67 kg per 1 000 pieces · Bare steel, before coating and packing.214 pieces per kg
- Also named
- GB/T 15856.5
Other lengths in ST4.2
All 40 sizes of Hex Washer Head Self-Drilling Screw with EPDM WasherNearby sizesST4.8 x 13
StandardsISO 15480DIN 7504 KAll sizes