ISO 14581 M3 x 4 Countersunk Socket Screw
In stock in 7 material, grade and finish combinations.
Dimensions at M3 x 4
mm · ISO 14581 · dimensions from 2013 · current edition 2022| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M3 | – | – |
| P | Thread pitch | 0.5 | – | – |
| l | Length | 4 | – | – |
| dk | Theoretical head diameter | 5.5 | 5.2 | 6.3 |
| k | Head height | 1.65 | – | – |
| Recess number | 10 | – | – | |
| A | Hexalobular socket A (ref) | 2.8 | – | – |
| t | Socket depth | – | 0.7 | 0.83 |
- Length incl. head
- 4 mm · 3.76–4.24 mm to ISO 14581 product grade A
- Approx. weight
- ≈ 0.29 kg per 1 000 pieces · Bare steel, before coating and packing.3416 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine3.2 mm
Clearance hole · medium3.4 mm
Clearance hole · coarse3.6 mm
Tap drill2.5 mm
