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Dell XPS 13 9310 screw size

M1.2 / M1.6 / M2 / M2.5 · 2 to 4.5 mm long

Dell XPS 13 9310 takes M1.2, M1.6, M2 and M2.5 metric screws in lengths from 2 to 4.5 mm.

There are 8 separate fitment records for it, including display-assembly cable holder to system board (M1.2), battery to palm-rest/keyboard assembly (M1.6) and fans (i3 configuration) to system board (M1.6), plus 5 more in the table below.

8 of the 8 records are marked confirmed, drawn from 1 source (dl.dell.com).

An M1.2 screw is 1.2 mm in diameter with a 0.25 mm pitch, tapped with a 0.95 mm drill; imperial look-alike: #0-80 UNF (1.52 mm) is the closest imperial screw, but it is bigger — not a substitute.

Dell XPS 13 9310 screw specifications

One row per fitment record. Head, drive are shown only where the source states them; pitch is the ISO coarse pitch for the thread.

ThreadLengthPitchHeadDriveWhere it goesStatus
M1.22 mm0.25 mmnot statednot statedDisplay-assembly cable holder to system boardConfirmed
M1.62.5 mm0.35 mmnot statednot statedBattery to palm-rest/keyboard assemblyConfirmed
M1.62.5 mm0.35 mmnot statednot statedFans (i3 configuration) to system boardConfirmed
M1.62.5 mm0.35 mmnot statednot statedHeat sink/fan assembly (i5/i7) to system boardConfirmed
M1.62 mm0.35 mmnot statednot statedDisplay-assembly cable bracket to system boardConfirmed
M23 mm0.4 mmnot statednot statedBase cover to palm-rest/keyboard assemblyConfirmed
M23 mm0.4 mmnot statednot statedSSD shield to system boardConfirmed
M2.54.5 mm0.45 mmnot statednot statedDisplay-assembly hinges to palm-rest/keyboard assemblyConfirmed

Fitment records and sources

M1.22 mmconfirmed

Display-assembly cable holder to system board

pitch 0.25 mm · tap 0.95 mm · clearance 1.4 mm · PH000 / JIS 00 / Torx T1–T2

M1.62.5 mmconfirmed

Battery to palm-rest/keyboard assembly

pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5

M1.62.5 mmconfirmed

Fans (i3 configuration) to system board

pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5

M1.62.5 mmconfirmed

Heat sink/fan assembly (i5/i7) to system board

pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5

M1.62 mmconfirmed

Display-assembly cable bracket to system board

pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5

M23 mmconfirmed

Base cover to palm-rest/keyboard assembly

pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6

M23 mmconfirmed

SSD shield to system board

pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6

M2.54.5 mmconfirmed

Display-assembly hinges to palm-rest/keyboard assembly

pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8

How to check the screw before you buy

  1. A screw that is even 1 mm too long in a laptop base can push into the keyboard, battery or a board trace, so match the length position by position.
  2. Diameter: across the threads an M1.2 screw measures about 1.2 mm with calipers (usually a hair under). This device also uses M1.6 / M2 / M2.5, so measure each screw rather than assuming they match.
  3. Pitch: 0.25 mm from one thread crest to the next (40 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
  4. Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
  5. The records span 2–4.5 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source does not name the drive. Standard M1.2 heads take PH000 / JIS 00 for Phillips and T1–T2 for Torx; a bit that fits loosely will cam out and strip the head.
  7. Tightening: no device-specific torque is published in these records. The site's general figure for M1.2 is about 5-8 N·cm into metal threads and 3-5 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M1.2 / M1.6 / M2 / M2.5

  • M1.2 and M1.4 look identical in an eyeglass repair kit — the wrong one strips soft acetate or metal hinges.
  • Heavier metal sunglass hinges use M1.6 while acetate frames use M1.4 or M1.2; you cannot tell without calipers.
  • The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
  • Dell/HP/Lenovo manuals often list screws only by torque or head shape, so community teardowns are needed for diameter.

Pitch gauge · Screw size finder · Torque guide

Buy these screws at TechSpare Warehouse

In stock and shipped from South Carolina. Our black screws are Phillips wafer head (low profile); match the head style and length to the original before you order.

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The same screw also fits

Devices whose records share a thread with Dell XPS 13 9310, closest length match first.

Questions about Dell XPS 13 9310 screws

What size screw does Dell XPS 13 9310 use?
M1.2 × 2 mm for display-assembly cable holder to system board; M1.6 × 2.5 mm for battery to palm-rest/keyboard assembly; M1.6 × 2.5 mm for fans (i3 configuration) to system board; M1.6 × 2.5 mm for heat sink/fan assembly (i5/i7) to system board; M1.6 × 2 mm for display-assembly cable bracket to system board; M2 × 3 mm for base cover to palm-rest/keyboard assembly; M2 × 3 mm for SSD shield to system board; M2.5 × 4.5 mm for display-assembly hinges to palm-rest/keyboard assembly.
How long are the screws in Dell XPS 13 9310?
The records range from 2 to 4.5 mm depending on the position, so match each screw to its own hole.
What is the thread pitch of an M1.2 screw?
0.25 mm (coarse), which is the standard pitch for M1.2 machine screws. The tap drill is 0.95 mm and the normal clearance hole is 1.4 mm.
What screwdriver do I need for Dell XPS 13 9310?
The sources do not name the drive. For M1.2, Phillips heads normally take PH000 / JIS 00 and Torx heads T1–T2.
Can I use an imperial screw instead of M1.2?
No. Imperial look-alike: #0-80 UNF (1.52 mm) is the closest imperial screw, but it is bigger — not a substitute. Use a true M1.2 screw so it does not cross-thread or strip the hole.
Where can I buy replacement screws for Dell XPS 13 9310?
TechSpareWarehouse (our own store) lists M1.2 x 2mm and M2 x 3mm, which match lengths in the records above.