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Dell XPS 17 9700 screw size

M1.6 / M2 / M2.5 · 2 to 6.5 mm long

The screws used on Dell XPS 17 9700 are M1.6, M2 and M2.5 in lengths from 2 to 6.5 mm.

There are 17 separate fitment records for it, including fan (qty 1) (M1.6), wireless card (qty 4) (M2) and SSD (qty 1) (M2), plus 14 more in the table below.

Head and drive, as the sources state them: Torx drive.

17 of the 17 records are marked confirmed, drawn from 1 source (dl.dell.com).

For reference, M1.6 is 1.6 mm across the threads at 0.35 mm pitch. The imperial size people confuse it with: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent.

Dell XPS 17 9700 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
M1.64 mm0.35 mmnot statednot statedFan (qty 1)Confirmed
M22 mm0.4 mmnot statednot statedWireless card (qty 4)Confirmed
M23 mm0.4 mmnot statednot statedSSD (qty 1)Confirmed
M24 mm0.4 mmnot statednot statedI/O board (qty 3)Confirmed
M24 mm0.4 mmnot statednot statedBattery (qty 7)Confirmed
M24 mm0.4 mmnot statednot statedBracket (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedDisplay (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedFan (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedPower button (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedSSD (qty 7)Confirmed
M24 mm0.4 mmnot statednot statedSystem board (qty 3)Confirmed
M24 mm0.4 mmnot statednot statedUnspecified (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedUSB-C board (qty 2)Confirmed
M24 mm0.4 mmnot statednot statedWireless card (qty 1)Confirmed
M26.5 mm0.4 mmnot statednot statedHeat sink (qty 6)Confirmed
M2.54 mm0.45 mmnot statedTorxBase cover (qty 8, Torx)Confirmed
M2.56 mm0.45 mmnot statednot statedHinge (qty 3)Confirmed

Fitment records and sources

M1.64 mmconfirmed

Fan (qty 1)

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

M22 mmconfirmed

Wireless card (qty 4)

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

M23 mmconfirmed

SSD (qty 1)

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

M24 mmconfirmed

I/O board (qty 3)

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

M24 mmconfirmed

Battery (qty 7)

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

M24 mmconfirmed

Bracket (qty 2)

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

M24 mmconfirmed

Display (qty 2)

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

M24 mmconfirmed

Fan (qty 2)

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

M24 mmconfirmed

Power button (qty 2)

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

M24 mmconfirmed

SSD (qty 7)

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

M24 mmconfirmed

System board (qty 3)

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

M24 mmconfirmed

Unspecified (qty 2)

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

M24 mmconfirmed

USB-C board (qty 2)

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

M24 mmconfirmed

Wireless card (qty 1)

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

M26.5 mmconfirmed

Heat sink (qty 6)

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

M2.54 mmconfirmed

Base cover (qty 8, Torx)

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

M2.56 mmconfirmed

Hinge (qty 3)

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

How to check the screw before you buy

  1. Laptop covers and brackets often mix two or three lengths of the same thread, so lay the screws out in the order they came out (a magnetic mat or a sheet of paper with the hole pattern drawn on it works).
  2. Diameter: across the threads an M1.6 screw measures about 1.6 mm with calipers (usually a hair under). This device also uses M2 / M2.5, so measure each screw rather than assuming they match.
  3. Pitch: 0.35 mm from one thread crest to the next (28.57 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 2–6.5 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source names a Torx drive. For comparison, standard M1.6 heads take PH00 (Phillips) or T4–T5 (Torx), or a 1.5 mm hex key.
  7. Tightening: no device-specific torque is published in these records. The site's general figure for M1.6 is about 12-20 N·cm into metal threads and 6-10 N·cm into plastic bosses; snug it up and stop.

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

  • M1.6 is the most common laptop-internal micro screw after M2 — Dell XPS keyboards specifically call out M1.6 x 1.5mm, and generic M2 substitutes strip the bracket.
  • 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 17 9700, closest length match first.

Questions about Dell XPS 17 9700 screws

What size screw does Dell XPS 17 9700 use?
M1.6 × 4 mm for fan (qty 1); M2 × 2 mm for wireless card (qty 4); M2 × 3 mm for SSD (qty 1); M2 × 4 mm for I/O board (qty 3); M2 × 4 mm for battery (qty 7); M2 × 4 mm for bracket (qty 2); M2 × 4 mm for display (qty 2); M2 × 4 mm for fan (qty 2); M2 × 4 mm for power button (qty 2); M2 × 4 mm for SSD (qty 7); M2 × 4 mm for system board (qty 3); M2 × 4 mm for unspecified (qty 2); M2 × 4 mm for USB-C board (qty 2); M2 × 4 mm for wireless card (qty 1); M2 × 6.5 mm for heat sink (qty 6); M2.5 × 4 mm for base cover (qty 8, Torx); M2.5 × 6 mm for hinge (qty 3).
How long are the screws in Dell XPS 17 9700?
The records range from 2 to 6.5 mm depending on the position, so match each screw to its own hole.
What is the thread pitch of an M1.6 screw?
0.35 mm (coarse), which is the standard pitch for M1.6 machine screws; a 0.2 mm fine pitch exists but is uncommon. The tap drill is 1.25 mm and the normal clearance hole is 1.8 mm.
What screwdriver do I need for Dell XPS 17 9700?
The source lists a Torx drive. Standard M1.6 heads otherwise take PH00 (Phillips) or T4–T5 (Torx), or a 1.5 mm hex key.
Can I use an imperial screw instead of M1.6?
No. Imperial look-alike: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent. Use a true M1.6 screw so it does not cross-thread or strip the hole.
Where can I buy replacement screws for Dell XPS 17 9700?
TechSpareWarehouse (our own store) lists M1.6 x 4mm, M2 x 2mm and M2 x 3mm, which match lengths in the records above.