The Dell Inspiron 14 7440 uses three metric screw sizes internally. All stocked below.
Every Screw Size in the Inspiron 14 7440
| Size | Commonly Used For | Buy Single | Bulk |
|---|---|---|---|
| M2 x 3mm | Motherboard and M.2 SSD mounting | Buy 1 | 100-pack |
| M2 x 4mm | Battery and heatsink mounting | Buy 1 | 100-pack |
| M2.5 x 5mm | Hinges and structural mounting | Buy 1 | — |
Repair Notes
Confirm your exact screw against product photos before ordering, or use the Screw Size Finder Tool. See all model guides or the size chart.
Get the complete kit: keep spares on hand with the Dell Business Laptop Screw Kit: 15 screws in the three core sizes shared by Inspiron, Latitude and Precision models (6× M2 x 3mm, 5× M2 x 4mm and 4× M2.5 x 5mm).