DIN 938 M4 x 20 Metal End 1d Double End Stud
Made to order in 9 material, grade and finish combinations.
Dimensions at M4 x 20
mm · DIN 938 · dimensions from 2012-12 · current edition 2025-08| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M4 | – | – |
| P | Thread pitch | 0.7 | – | – |
| l | Length | 20 | – | – |
| bm | Metal end thread length | 4 | – | – |
| b | Thread length | 14 | – | – |
| ds | Stud shank diameter | – | 3.82 | 4 |
| x1 | Thread runout x1 | 1.75 | – | – |
| x2 | Thread runout x2 | 0.9 | – | – |
- Length excl. metal end
- 20 mm · 19.58–20.42 mm to DIN 938
- Approx. weight
- ≈ 1.95 kg per 1 000 pieces · Bare steel, before coating and packing.513 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
