ISO 1483 ST4.2 x 19 Slotted Raised CSK Screw
In stock in 5 material, grade and finish combinations.
Dimensions at ST4.2 x 19
mm · ISO 1483 · 2011 edition| Dimension | Nominal | Min | Max | GB/T 5284 | |
|---|---|---|---|---|---|
| d | Thread size | ST4.2 | – | – | ST4.2 |
| P | Thread pitch | 1.4 | – | – | 1.4 |
| l | Length | 19 | – | – | 19 |
| a | Thread runout | – | – | 1.4 | 1.4 |
| dk | Head diameter | 8.4 | 8 | – | 8 |
| k | Head height | 2.6 | – | – | 2.6 |
| f | Raised head height (ref) | 1 | – | – | 1 |
| n | Slot width (nominal) | 1.2 | – | – | 1.2 |
| n | Slot width | – | 1.26 | 1.51 | 1.26–1.51 |
| t | Slot depth | – | 1.6 | 1.9 | 1.6–1.9 |
| r | Radius | – | – | 1.6 | 1.6 |
| y | Point length (ref.) (C) | 3.7 | – | – | 3.7 |
| y | Point length (ref.) (F) | 2.8 | – | – | 2.8 |
| y | Point length (ref.) (R) | 3.2 | – | – | 3.2 |
- GB/T 5284
- Values in bold differ from ISO 1483.
- Length to top of countersink
- 19 mm · 18.2–19.8 mm (Type C / R), 18.2–19 mm (Type F) to ISO 1483 product grade A
- Approx. weight
- ≈ 1.98 kg per 1 000 pieces · Bare steel, before coating and packing.506 pieces per kg
- Also named
- GB/T 5284