ISO 7380-1 M3 x 8 Button Head Socket Screw
In stock in 14 material, grade and finish combinations.
Dimensions at M3 x 8
mm · ISO 7380-1 · dimensions from 2011 · current edition 2022| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M3 | – | – |
| P | Thread pitch | 0.5 | – | – |
| l | Length | 8 | – | – |
| s | Hex socket size | 2 | – | – |
| dk | Head diameter | 5.7 | – | – |
| k | Head height | 1.65 | – | – |
| b | Thread length | 18 | – | – |
- Length under head
- 8 mm · 7.71–8.29 mm to ISO 7380-1
- Approx. weight
- ≈ 0.61 kg per 1 000 pieces · Bare steel, before coating and packing.1652 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine3.2 mm
Clearance hole · medium3.4 mm
Clearance hole · coarse3.6 mm
Tap drill2.5 mm




