DIN 603 M12×25 Carriage Bolt21 combinations of material, property class and finish supplied in this size.
- Standard
- DIN 603 · 2017
- Thread
- M12 · pitch 1.75 mm
- Length under head
- 25 mm
- Clearance / tap drill
- 13 / 13.5 / 14.5 mm · 10.2 mm
- Weight
- 20.64 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering48.4 pieces per kg
- Also named
- ISO 8677
Supplied to DIN 603 M12×25. ISO 8677 (dₛ 12.7 mm against 12) and ISO 8678 (v 11.82 mm against 11.3) at this size. Compared on the columns shown here only — product grade, tolerance class, length range, material and property-class references are set by each standard separately. We produce to whichever one your drawing calls out. Full comparison →
Order M12×25
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
These are not identical at M12×25 — the difference is shown against each standard above. Your choice is carried into the inquiry and the quotation.
| Material | Class | Finish | Quantity | Net weight |
|---|---|---|---|---|
| Carbon Steel | 4.8 | Plain | — | |
| Carbon Steel | 4.8 | Zinc Plated | — | |
| Carbon Steel | 4.8 | Hot Dip Galvanized | — | |
| Carbon Steel | 4.8 | Dacromet | — | |
| Carbon Steel | 4.8 | Blackened | — | |
| Carbon Steel | 4.8 | Phosphate | — | |
| Carbon Steel | 8.8 | Plain | — | |
| Carbon Steel | 8.8 | Zinc Plated | — | |
| Carbon Steel | 8.8 | Hot Dip Galvanized | — | |
| Carbon Steel | 8.8 | Dacromet | — | |
| Carbon Steel | 8.8 | Blackened | — | |
| Carbon Steel | 8.8 | Phosphate | — | |
| Alloy Steel | 10.9 | Plain | — | |
| Alloy Steel | 10.9 | Zinc Plated | — | |
| Alloy Steel | 10.9 | Dacromet | — | |
| Alloy Steel | 10.9 | Blackened | — | |
| Alloy Steel | 10.9 | Phosphate | — | |
| Stainless Steel | A2-70 | Passivated | — | |
| Stainless Steel | A2-70 | Plain | — | |
| Stainless Steel | A4-80 | Passivated | — | |
| Stainless Steel | A4-80 | Plain | — |
Dimensions at M12×25
one row per dimension| Dimension | DIN 603Current | ISO 8677Superseded by DIN 603 |
|---|---|---|
| Body Diameter (max)dₛ (mm) | 12 | 12.7 |
| Body Diameter (min)dₛ (mm) | 11.3 | — |
| Square Neck Height (max)f (mm) | 8.75 | 8.8 |
| Square Neck Height (min)f (mm) | 7.25 | 7.2 |
| Head Diameter (max)dk (mm) | 30.65 | 30 |
| Head Diameter (min)dk (mm) | 29.35 | 28.7 |
| Head Height (max)k (mm) | 6.95 | 6.8 |
| Head Height (min)k (mm) | 6.05 | 6 |
| Thread Length (L > 200)b (L > 200) (mm) | 49 | — |
| Corner Distanceg (mm) | — | 14.7 |
| Radius (max)r (mm) | — | 1.2 |
5 more dimensions — identical in DIN 603 and ISO 8677
| Thread PitchP (mm) | 1.75 | 1.75 |
|---|---|---|
| Square Neck Width (max)v (mm) | 12.7 | 12.7 |
| Square Neck Width (min)v (mm) | 11.3 | 11.3 |
| Thread Length (L <= 125)b (L ≤ 125) (mm) | 30 | 30 |
| Thread Length (125 < L <= 200)b (125 < L ≤ 200) (mm) | 36 | 36 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Clearance hole | 13 / 13.5 / 14.5 mm |
| Tap drill | 10.2 mm |
Other lengths in M12
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| M12×20 | 16.51 | open |
| M12×25 | 20.64 | this page |
| M12×30 | 24.77 | open |
| M12×35 | 28.90 | open |
| M12×40 | 33.03 | open |
M12 x 20M12 x 30M12 x 35M12 x 40M12 x 45M12 x 50M12 x 55M12 x 60M12 x 70M12 x 80M12 x 90M12 x 100M12 x 110M12 x 120M12 x 130M12 x 140M12 x 150
