DIN 931 M4 x 25 Partial Thread Hex Bolt
In stock in 19 material, grade and finish combinations.
Dimensions at M4 x 25
mm · DIN 931 · 1987 · withdrawn| Dimension | Nominal | Min | Max | ISO 4014 | |
|---|---|---|---|---|---|
| d | Thread size | M4 | – | – | M4 |
| P | Thread pitch | 0.7 | – | – | 0.7 |
| l | Length | 25 | – | – | 25 |
| s | Width across flats | – | – | 7 | 7 |
| e | Width across corners | – | 7.66 | – | 7.66 |
| k | Head height | 2.8 | – | – | 2.8 |
| b | Thread length | 14 | – | – | 14 |
- ISO 4014
- Values in bold differ from DIN 931.
- Length under head
- 25 mm · 24.58–25.42 mm to DIN 931 product grade A
- Approx. weight
- ≈ 3.07 kg per 1 000 pieces · Bare steel, before coating and packing.326 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
