DIN 603 M12 x 25 Carriage Bolt
In stock in 21 material, grade and finish combinations.
Dimensions at M12 x 25
mm · DIN 603 · dimensions from 2010-09 · current edition 2017-05| Dimension | Nominal | Min | Max | ISO 8677 | ISO 8678 | |
|---|---|---|---|---|---|---|
| d | Thread size | M12 | – | – | M12 | M12 |
| P | Thread pitch | 1.75 | – | – | 1.75 | 1.75 |
| Length | 25 | – | – | 25 | 25 | |
| ds | Body diameter | – | 11.3 | 12 | 12.7 | 12 |
| V | Square neck width | – | 11.3 | 12.7 | 11.3–12.7 | 11.82–12.7 |
| fn | Square neck height | – | 7.25 | 8.75 | 7.2–8.8 | 3.2–4 |
| dk | Head diameter | – | 29.35 | 30.65 | 28.7–30 | 26.6 |
| k | Head height | – | 6.05 | 6.95 | 6–6.8 | 6–6.8 |
| b | Thread length (length <= 125) | 30 | – | – | 30 | 30 |
| b | Thread length (125 < length <= 200) | 36 | – | – | 36 | — |
| b | Thread length (length > 200) | 49 | – | – | — | — |
- ISO 8677, ISO 8678
- Values in bold differ from DIN 603.
- Length under head
- 25 mm
- Approx. weight
- ≈ 18.19 kg per 1 000 pieces · Bare steel, before coating and packing.55.0 pieces per kg
- Also named
- ISO 8677
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine13 mm
Clearance hole · medium13.5 mm
Clearance hole · coarse14.5 mm
Tap drill10.2 mm
