ISO 7380-1 M4 x 25 Button Head Socket Screw
In stock in 14 material, grade and finish combinations.
Dimensions at M4 x 25
mm · ISO 7380-1 · dimensions from 2011 · current edition 2022| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M4 | – | – |
| P | Thread pitch | 0.7 | – | – |
| l | Length | 25 | – | – |
| s | Hex socket size | 2.5 | – | – |
| dk | Head diameter | 7.6 | – | – |
| k | Head height | 2.2 | – | – |
| b | Thread length | 20 | – | – |
- Length under head
- 25 mm · 24.58–25.42 mm to ISO 7380-1
- Approx. weight
- ≈ 2.54 kg per 1 000 pieces · Bare steel, before coating and packing.394 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine4.3 mm
Clearance hole · medium4.5 mm
Clearance hole · coarse4.8 mm
Tap drill3.3 mm




