DIN 912 M8×40 Socket Head Cap Screw18 combinations of material, property class and finish supplied in this size.
- Standard
- DIN 912 · 1983-12
- Thread
- M8 · pitch 1.25 mm
- Length under head
- 40 mm
- Head height
- 8 mm
- Clearance / tap drill
- 8.4 / 9 / 10 mm · 6.8 mm
- Weight
- 21.18 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering47.2 pieces per kg
Supplied to DIN 912 M8×40 — the figures shown here match ISO 4762. All 2 record the same figures in 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. Compare all sizes →
Order M8×40
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
Every standard listed here records the same figures at M8×40. 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 | 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 | — | |
| Alloy Steel | 12.9 | Dacromet | — | |
| Alloy Steel | 12.9 | Blackened | — | |
| Alloy Steel | 12.9 | Phosphate | — | |
| Alloy Steel | 12.9 | Plain | — | |
| Stainless Steel | A2-70 | Plain | — | |
| Stainless Steel | A2-70 | Passivated | — | |
| Stainless Steel | A4-80 | Plain | — | |
| Stainless Steel | A4-80 | Passivated | — |
Dimensions at M8×40
| Dimension | Value |
|---|---|
| P | 1.25 mm |
| k | 8 mm |
| Weight | 21.18 kg / 1000 pcs |
| Pieces per kg | 47.2 |
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 |