DIN 603 M8×120 Carriage Bolt21 combinations of material, property class and finish supplied in this size.
- Standard
- DIN 603 · 2017
- Thread
- M8 · pitch 1.25 mm
- Length under head
- 120 mm
- Clearance / tap drill
- 8.4 / 9 / 10 mm · 6.8 mm
- Weight
- 44.04 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering22.7 pieces per kg
- Also named
- ISO 8677
Supplied to DIN 603 M8×120. ISO 8677 (dₛ 8.58 mm against 8) and ISO 8678 (v 7.85 mm against 7.42) 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 M8×120
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 M8×120 — 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 M8×120
one row per dimension| Dimension | DIN 603Current | ISO 8677Superseded by DIN 603 |
|---|---|---|
| Body Diameter (max)dₛ (mm) | 8 | 8.58 |
| Body Diameter (min)dₛ (mm) | 7.42 | — |
| Head Diameter (max)dk (mm) | 20.65 | 20 |
| Head Diameter (min)dk (mm) | 19.35 | 18.7 |
| Head Height (max)k (mm) | 4.88 | 4.8 |
| Head Height (min)k (mm) | 4.12 | 4 |
| Thread Length (L > 200)b (L > 200) (mm) | 41 | — |
| Corner Distanceg (mm) | — | 9.6 |
| Radius (max)r (mm) | — | 0.8 |
7 more dimensions — identical in DIN 603 and ISO 8677
| Thread PitchP (mm) | 1.25 | 1.25 |
|---|---|---|
| Square Neck Width (max)v (mm) | 8.58 | 8.58 |
| Square Neck Width (min)v (mm) | 7.42 | 7.42 |
| Square Neck Height (max)f (mm) | 5.6 | 5.6 |
| Square Neck Height (min)f (mm) | 4.4 | 4.4 |
| Thread Length (L <= 125)b (L ≤ 125) (mm) | 22 | 22 |
| Thread Length (125 < L <= 200)b (125 < L ≤ 200) (mm) | 28 | 28 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Clearance hole | 8.4 / 9 / 10 mm |
| Tap drill | 6.8 mm |
