ISO 7380-1 M12 x 40 Button Head Socket Screw
In stock in 17 material, grade and finish combinations.
Dimensions at M12 x 40
mm · ISO 7380-1 · dimensions from 2011 · current edition 2022| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M12 | – | – |
| P | Thread pitch | 1.75 | – | – |
| l | Length | 40 | – | – |
| s | Hex socket size | 8 | – | – |
| dk | Head diameter | 21 | – | – |
| k | Head height | 6.6 | – | – |
| b | Thread length | 36 | – | – |
- Length under head
- 40 mm · 39.5–40.5 mm to ISO 7380-1
- Approx. weight
- ≈ 42.81 kg per 1 000 pieces · Bare steel, before coating and packing.23.4 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine13 mm
Clearance hole · medium13.5 mm
Clearance hole · coarse14.5 mm
Tap drill10.2 mm
