The Dell XPS 16 9640 uses three metric screw sizes for its internals and bottom cover. All three are in stock below as single screws with bulk options.
Every Screw Size in the XPS 16 9640
| Size | Commonly Used For | Buy Single | Bulk |
|---|---|---|---|
| M2 x 3mm | Motherboard and M.2 SSD mounting | Buy 1 | 100-pack |
| M2 x 4mm | Battery, fans and heatsink | Buy 1 | 100-pack |
| M2.5 x 6mm | Bottom cover and structural mounting | Buy 1 | — |
Repair Notes
Keep bottom cover screws separate from internals during teardown — mixing lengths is the #1 cause of cracked covers on reassembly. Verify any unknown screw with the Screw Size Finder Tool or the Laptop Screw Size Chart.
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