DIN 938 M8 x 40 Metal End 1d Double End Stud
In stock in 10 material, grade and finish combinations.
Dimensions at M8 x 40
mm · DIN 938 · dimensions from 2012-12 · current edition 2025-08| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M8 | – | – |
| P | Thread pitch | 1.25 | – | – |
| l | Length | 40 | – | – |
| bm | Metal end thread length | 8 | – | – |
| b | Thread length | 22 | – | – |
| ds | Stud shank diameter | – | 7.78 | 8 |
| x1 | Thread runout x1 | 3.2 | – | – |
| x2 | Thread runout x2 | 1.6 | – | – |
- Length excl. metal end
- 40 mm · 39.5–40.5 mm to DIN 938
- Approx. weight
- ≈ 16.40 kg per 1 000 pieces · Bare steel, before coating and packing.61.0 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine8.4 mm
Clearance hole · medium9 mm
Clearance hole · coarse10 mm
Tap drill6.8 mm
