DIN 6921 M16×80 Hex Flange Bolt15 combinations of material, property class and finish supplied in this size.
- Standard
- DIN 6921
- Thread
- M16 · pitch 2 mm
- Length under head
- 80 mm
- Drive
- 24 mm spanner · e 26.75 mm
- Head height
- 18.3 mm
- Clearance / tap drill
- 17 / 17.5 / 18.5 mm · 14 mm
- Weight
- 183.35 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering5.5 pieces per kg
Supplied to DIN 6921 M16×80. ISO 4162 (s 21 mm against 24) 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 M16×80
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 M16×80 — 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 | 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 | — | |
| Carbon Steel | 8.8 | Plain | — | |
| Alloy Steel | 10.9 | Zinc Plated | — | |
| Alloy Steel | 10.9 | Dacromet | — | |
| Alloy Steel | 10.9 | Blackened | — | |
| Alloy Steel | 10.9 | Phosphate | — | |
| Alloy Steel | 10.9 | Plain | — | |
| Stainless Steel | A2-70 | Plain | — | |
| Stainless Steel | A2-70 | Passivated | — | |
| Stainless Steel | A4-80 | Plain | — | |
| Stainless Steel | A4-80 | Passivated | — |
Dimensions at M16×80
| Dimension | Value |
|---|---|
| P | 2 mm |
| s | 24 mm |
| e | 26.75 mm |
| k | 18.3 mm |
| Weight | 183.35 kg / 1000 pcs |
| Pieces per kg | 5.5 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Clearance hole | 17 / 17.5 / 18.5 mm |
| Tap drill | 14 mm |
