ISO 15483 ST3.5 x 13 Raised CSK Drill Screw
In stock in 7 material, grade and finish combinations.
Dimensions at ST3.5 x 13
mm · ISO 15483 · 1999 edition| Dimension | Nominal | Min | Max | DIN 7504 R | GB/T 15856.3 | |
|---|---|---|---|---|---|---|
| d | Thread size | ST3.5 | – | – | ST3.5 | ST3.5 |
| P | Thread pitch | 1.3 | – | – | 1.3 | 1.3 |
| l | Length | 13 | – | – | 13 | 13 |
| a | Thread runout | – | – | 1.3 | — | 1.3 |
| dk | Theoretical head diameter | 7.3 | 6.9 | 8.2 | — | 6.9–8.2 |
| k | Head height | 2.35 | – | – | — | 2.35 |
| r | Radius | – | – | 1.4 | — | 1.4 |
| Recess number | 2 | – | – | — | 2 | |
| m | Type H recess width (ref) | 4.8 | – | – | — | 4.8 |
| Type H penetration | – | 2.25 | 2.75 | — | 2.25–2.75 | |
| m | Type Z / socket width (ref) | 4.8 | – | – | — | 4.8 |
| Type Z penetration | – | 2.25 | 2.7 | — | 2.25–2.7 | |
| Drilling capacity | – | 0.7 | 2.25 | 0.7–2.25 | 0.7–2.25 | |
| f | Raised head height (ref) | 0.8 | – | – | — | 0.8 |
| rf | Head radius (ref) | 8.5 | – | – | — | 8.5 |
- DIN 7504 R, GB/T 15856.3
- Values in bold differ from ISO 15483.
- Length to top of countersink
- 13 mm · 12.1–13.9 mm to ISO 15483
- Approx. weight
- ≈ 1.04 kg per 1 000 pieces · Bare steel, before coating and packing.965 pieces per kg
- Also named
- GB/T 15856.3