ISO 15483 ST2.9 x 16 Raised CSK Drill Screw
Made to order in 7 material, grade and finish combinations.
Dimensions at ST2.9 x 16
mm · ISO 15483 · 1999 edition| Dimension | Nominal | Min | Max | DIN 7504 R | GB/T 15856.3 | |
|---|---|---|---|---|---|---|
| d | Thread size | ST2.9 | – | – | ST2.9 | ST2.9 |
| P | Thread pitch | 1.1 | – | – | 1.1 | 1.1 |
| l | Length | 16 | – | – | 16 | 16 |
| a | Thread runout | – | – | 1.1 | — | 1.1 |
| dk | Theoretical head diameter | 5.5 | 5.2 | 6.3 | — | 5.2–6.3 |
| k | Head height | 1.7 | – | – | — | 1.7 |
| r | Radius | – | – | 1.2 | — | 1.2 |
| Recess number | 1 | – | – | — | 1 | |
| m | Type H recess width (ref) | 3.4 | – | – | — | 3.4 |
| Type H penetration | – | 1.8 | 2.2 | — | 1.8–2.2 | |
| m | Type Z / socket width (ref) | 3.3 | – | – | — | 3.3 |
| Type Z penetration | – | 1.8 | 2.1 | — | 1.8–2.1 | |
| Drilling capacity | – | 0.7 | 1.9 | 0.7–1.9 | 0.7–1.9 | |
| f | Raised head height (ref) | 0.7 | – | – | — | 0.7 |
| rf | Head radius (ref) | 6 | – | – | — | 6 |
- DIN 7504 R, GB/T 15856.3
- Values in bold differ from ISO 15483.
- Length to top of countersink
- 16 mm · 15.1–16.9 mm to ISO 15483
- Approx. weight
- ≈ 0.68 kg per 1 000 pieces · Bare steel, before coating and packing.1474 pieces per kg
- Also named
- GB/T 15856.3