ISO 7380-1 M5 x 20 Button Head Socket Screw
In stock in 17 material, grade and finish combinations.
Dimensions at M5 x 20
mm · ISO 7380-1 · dimensions from 2011 · current edition 2022| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M5 | – | – |
| P | Thread pitch | 0.8 | – | – |
| l | Length | 20 | – | – |
| s | Hex socket size | 3 | – | – |
| dk | Head diameter | 9.5 | – | – |
| k | Head height | 2.75 | – | – |
| b | Thread length | 22 | – | – |
- Length under head
- 20 mm · 19.58–20.42 mm to ISO 7380-1
- Approx. weight
- ≈ 3.64 kg per 1 000 pieces · Bare steel, before coating and packing.274 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine5.3 mm
Clearance hole · medium5.5 mm
Clearance hole · coarse5.8 mm
Tap drill4.2 mm
