ISO 1482 ST3.5 x 25 Slotted CSK Tapping Screw
In stock in 5 material, grade and finish combinations.
Dimensions at ST3.5 x 25
mm · ISO 1482 · 2011 edition| Dimension | Nominal | Min | Max | GB/T 5283 | |
|---|---|---|---|---|---|
| d | Thread size | ST3.5 | – | – | ST3.5 |
| P | Thread pitch | 1.3 | – | – | 1.3 |
| l | Length | 25 | – | – | 25 |
| a | Thread runout | – | – | 1.3 | 1.3 |
| dk | Head diameter | 7.3 | 6.9 | – | 6.9 |
| k | Head height | 2.35 | – | – | 2.35 |
| n | Slot width (nominal) | 1 | – | – | 1 |
| n | Slot width | – | 1.06 | 1.2 | 1.06–1.2 |
| t | Slot depth | – | 0.9 | 1.2 | 0.9–1.2 |
| r | Radius | – | – | 1.4 | 1.4 |
| y | Point length (ref.) (C) | 3.2 | – | – | 3.2 |
| y | Point length (ref.) (F) | 2.5 | – | – | 2.5 |
| y | Point length (ref.) (R) | 2.7 | – | – | 2.7 |
- GB/T 5283
- Values in bold differ from ISO 1482.
- Length incl. head
- 25 mm · 24.2–25.8 mm (Type C / R), 23.7–25 mm (Type F) to ISO 1482 product grade A
- Approx. weight
- ≈ 1.42 kg per 1 000 pieces · Bare steel, before coating and packing.702 pieces per kg
- Also named
- GB/T 5283