ISO 4027 M8 x 40 Cone Point Socket Set Screw
In stock in 6 material, grade and finish combinations.
Dimensions at M8 x 40
mm · ISO 4027 · dimensions from 2003 · current edition 2026| Dimension | Nominal | Min | Max | DIN 914 | |
|---|---|---|---|---|---|
| d | Thread size | M8 | – | – | M8 |
| P | Thread pitch | 1.25 | – | – | 1.25 |
| l | Length | 40 | – | – | 40 |
| s | Hex socket size | 4 | 4.02 | 4.095 | 4 |
| dt | Point diameter | – | – | 2 | — |
| e | Socket across corners | – | 4.583 | – | — |
| t | Socket depth, short length | – | 3 | – | — |
| t | Socket depth, long length | – | 5 | – | — |
- DIN 914
- Values in bold differ from ISO 4027.
- Length
- 40 mm · 39.5–40.5 mm to ISO 4027 product grade A
- Approx. weight
- ≈ 11.80 kg per 1 000 pieces · Bare steel, before coating and packing.84.7 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine8.4 mm
Clearance hole · medium9 mm
Clearance hole · coarse10 mm
Tap drill6.8 mm