DIN 571 4 x 20 Hexagon Head Wood Screw
Made to order in 4 material, grade and finish combinations.
Dimensions at 4 x 20
mm · DIN 571 · dimensions from 1986-12 · current edition 2016-12| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 4 | – | – |
| l | Length | 20 | – | – |
| s | Width across flats | – | – | 7 |
| e | Width across corners | – | 7.5 | – |
| k | Head height | 2.8 | – | – |
- Length under head
- 20 mm · 18.95–21.05 mm to DIN 571
- Approx. weight
- ≈ 2.01 kg per 1 000 pieces · Bare steel, before coating and packing.498 pieces per kg