ISO 15480 ST2.9 x 50 Washer Head Drilling Screw
Made to order in 7 material, grade and finish combinations.
Dimensions at ST2.9 x 50
mm · ISO 15480 · 2019 edition| Dimension | Nominal | Min | Max | DIN 7504 K | |
|---|---|---|---|---|---|
| d | Thread size | ST2.9 | – | – | ST2.9 |
| P | Thread pitch | 1.1 | – | – | 1.1 |
| l | Length | 50 | – | – | 50 |
| a | Thread runout | – | – | 1.1 | 1.1 |
| c | Washer height | – | 0.4 | – | 0.4 |
| da | Underhead diameter | – | – | 3.5 | — |
| dc | Flange diameter | 6.3 | – | – | 6.3 |
| dc | Bearing diameter | – | 5.8 | – | 5.8 |
| e | Width across corners | – | 4.28 | – | 4.28 |
| k | Head height | 2.8 | 2.5 | – | 2.5 |
| kw | Wrenching height | – | 1.3 | – | 1.3 |
| r1 | Radius r1 | – | 0.1 | – | — |
| r2 | Radius r2 | – | – | 0.2 | 0.2 |
| s | Width across flats | – | 3.82 | 4 | 3.82–4 |
| Drilling capacity | – | 0.7 | 1.9 | 0.7–1.9 |
- 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 19 mm) — the standard itself provides for it
- Approx. weight
- ≈ 1.77 kg per 1 000 pieces · Bare steel, before coating and packing.565 pieces per kg
- Also named
- GB/T 15856.5
Other lengths in ST2.9
All 53 sizes of Hex Washer Head Self-Drilling Screw with EPDM WasherNearby sizesST3.5 x 9.5
StandardsISO 15480DIN 7504 KAll sizes