DIN 603 M20 x 200 Carriage Bolt
Made to order in 15 material, grade and finish combinations.
Dimensions at M20 x 200
mm · DIN 603 · dimensions from 2010-09 · current edition 2017-05| Dimension | Nominal | Min | Max | ISO 8677 | ISO 8678 | |
|---|---|---|---|---|---|---|
| d | Thread size | M20 | – | – | M20 | M20 |
| P | Thread pitch | 2.5 | – | – | 2.5 | 2.5 |
| Length | 200 | – | – | 200 | 200 | |
| ds | Body diameter | – | 19.16 | 20 | 20.84 | 20 |
| V | Square neck width | – | 19.16 | 20.84 | 19.16–20.84 | 19.79–20.84 |
| fn | Square neck height | – | 14.1 | 15.9 | 14.1–15.9 | 4.2–5 |
| dk | Head diameter | – | 45.2 | 46.8 | 44.4–46 | 43 |
| k | Head height | – | 9.95 | 11.05 | 10–10.9 | 10–10.9 |
| b | Thread length (length <= 125) | 46 | – | – | 46 | 46 |
| b | Thread length (125 < length <= 200) | 52 | – | – | 52 | 52 |
| b | Thread length (length > 200) | 65 | – | – | 65 | — |
- ISO 8677, ISO 8678
- Values in bold differ from DIN 603.
- Length under head
- 200 mm
- Approx. weight
- ≈ 473.25 kg per 1 000 pieces · Bare steel, before coating and packing.2.1 pieces per kg
- Also named
- ISO 8677
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine21 mm
Clearance hole · medium22 mm
Clearance hole · coarse24 mm
Tap drill17.5 mm





