ISO 7380-1 M4 x 8 Button Head Socket Screw
In stock in 14 material, grade and finish combinations.
Dimensions at M4 x 8
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 | 8 | – | – |
| s | Hex socket size | 2.5 | – | – |
| dk | Head diameter | 7.6 | – | – |
| k | Head height | 2.2 | – | – |
| b | Thread length | 20 | – | – |
- Length under head
- 8 mm · 7.71–8.29 mm to ISO 7380-1
- Approx. weight
- ≈ 1.22 kg per 1 000 pieces · Bare steel, before coating and packing.821 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
Other lengths in M4
All 50 sizes of Button Head Socket ScrewParts that mate with M4
Nearby sizesM3 x 20