DIN 6921 M5 x 20 Hex Flange Bolt
In stock in 19 material, grade and finish combinations.
Dimensions at M5 x 20
mm · DIN 6921 · 1983-06 · withdrawn| Dimension | Nominal | Min | Max | ISO 4162 | |
|---|---|---|---|---|---|
| d | Thread size | M5 | – | – | M5 |
| P | Thread pitch | 0.8 | – | – | 0.8 |
| l | Length | 20 | – | – | 20 |
| s | Width across flats | – | – | 8 | 7 |
| e | Width across corners | – | 8.71 | – | 7.44 |
| dc | Flange diameter | 11.8 | – | – | 11.4 |
| k | Head height | 5.4 | – | – | 5.6 |
- ISO 4162
- Values in bold differ from DIN 6921.
- Length under head
- 20 mm · 19.58–20.42 mm to DIN 6921 product grade A
- Approx. weight
- ≈ 4.90 kg per 1 000 pieces · Bare steel, before coating and packing.204 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
