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Lenovo ThinkPad 385XD screw size

M2 / M2.5 / M3 · 1.7 to 25 mm long

Our records put Lenovo ThinkPad 385XD on M2, M2.5 and M3 screws in lengths from 1.7 to 25 mm.

There are 18 separate fitment records for it, including optical drive (qty 2, blue) (M2), fan (qty 2) (M2) and system board (qty 2) (M2), plus 15 more in the table below.

18 of the 18 records are marked confirmed, drawn from 1 source (thinkpad-manuals.retropc.se).

An M2 screw is 2 mm in diameter with a 0.4 mm pitch, tapped with a 1.6 mm drill; imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.

Lenovo ThinkPad 385XD 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
M21.7 mm0.4 mmnot statednot statedOptical drive (qty 2, blue)Confirmed
M218 mm0.4 mmnot statednot statedFan (qty 2)Confirmed
M218 mm0.4 mmnot statednot statedSystem board (qty 2)Confirmed
M22.4 mm0.4 mmnot statednot statedOptical drive (qty 2, yellow)Confirmed
M23.7 mm0.4 mmnot statednot statedDisplay (qty 2)Confirmed
M26 mm0.4 mmnot statednot statedFan (qty 2)Confirmed
M2.512 mm0.45 mmnot statednot statedSpeaker (qty 3)Confirmed
M2.522 mm0.45 mmnot statednot statedUnspecified (qty 2)Confirmed
M2.525 mm0.45 mmnot statednot statedKeyboard (qty 1)Confirmed
M2.56 mm0.45 mmnot statednot statedDisplay (qty 5)Confirmed
M2.56 mm0.45 mmnot statednot statedKeyboard (qty 1)Confirmed
M2.56 mm0.45 mmnot statednot statedOptical drive (qty 1)Confirmed
M2.56 mm0.45 mmnot statednot statedSystem board (qty 2)Confirmed
M2.56 mm0.45 mmnot statednot statedUnspecified (qty 2, broadhead)Confirmed
M2.58 mm0.45 mmnot statednot statedKeyboard (qty 1)Confirmed
M2.58 mm0.45 mmnot statednot statedOptical drive (qty 1)Confirmed
M2.58 mm0.45 mmnot statednot statedUnspecified (qty 2, broadhead)Confirmed
M32.8 mm0.5 mmnot statednot statedHard drive (qty 4, flat)Confirmed

Fitment records and sources

M21.7 mmconfirmed

Optical drive (qty 2, blue)

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

M218 mmconfirmed

Fan (qty 2)

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

M218 mmconfirmed

System board (qty 2)

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

M22.4 mmconfirmed

Optical drive (qty 2, yellow)

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

M23.7 mmconfirmed

Display (qty 2)

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

M26 mmconfirmed

Fan (qty 2)

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

M2.512 mmconfirmed

Speaker (qty 3)

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

M2.522 mmconfirmed

Unspecified (qty 2)

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

M2.525 mmconfirmed

Keyboard (qty 1)

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

M2.56 mmconfirmed

Display (qty 5)

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

M2.56 mmconfirmed

Keyboard (qty 1)

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

M2.56 mmconfirmed

Optical drive (qty 1)

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

M2.56 mmconfirmed

System board (qty 2)

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

M2.56 mmconfirmed

Unspecified (qty 2, broadhead)

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

M2.58 mmconfirmed

Keyboard (qty 1)

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

M2.58 mmconfirmed

Optical drive (qty 1)

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

M2.58 mmconfirmed

Unspecified (qty 2, broadhead)

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

M32.8 mmconfirmed

Hard drive (qty 4, flat)

pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10

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 M2 screw measures about 2 mm with calipers (usually a hair under). This device also uses M2.5 / M3, so measure each screw rather than assuming they match.
  3. Pitch: 0.4 mm from one thread crest to the next (25 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 1.7–25 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 M2 heads take PH0 for Phillips and T6 for Torx, and a 1.5 mm hex key for socket heads; 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 M2 is about 25-40 N·cm into metal threads and 12-20 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M2 / M2.5 / M3

  • The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
  • Nylon-coated M2.5 screws (ThinkPad Edge) are thread-locking; plain replacements work loose over time.
  • 3.5in desktop and enterprise hard drives are 6-32 UNC imperial, not M3 - only the 2.5in form factor is metric.

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 Lenovo ThinkPad 385XD, closest length match first.

Questions about Lenovo ThinkPad 385XD screws

What size screw does Lenovo ThinkPad 385XD use?
M2 × 1.7 mm for optical drive (qty 2, blue); M2 × 18 mm for fan (qty 2); M2 × 18 mm for system board (qty 2); M2 × 2.4 mm for optical drive (qty 2, yellow); M2 × 3.7 mm for display (qty 2); M2 × 6 mm for fan (qty 2); M2.5 × 12 mm for speaker (qty 3); M2.5 × 22 mm for unspecified (qty 2); M2.5 × 25 mm for keyboard (qty 1); M2.5 × 6 mm for display (qty 5); M2.5 × 6 mm for keyboard (qty 1); M2.5 × 6 mm for optical drive (qty 1); M2.5 × 6 mm for system board (qty 2); M2.5 × 6 mm for unspecified (qty 2, broadhead); M2.5 × 8 mm for keyboard (qty 1); M2.5 × 8 mm for optical drive (qty 1); M2.5 × 8 mm for unspecified (qty 2, broadhead); M3 × 2.8 mm for hard drive (qty 4, flat).
How long are the screws in Lenovo ThinkPad 385XD?
The records range from 1.7 to 25 mm depending on the position, so match each screw to its own hole.
What is the thread pitch of an M2 screw?
0.4 mm (coarse), which is the standard pitch for M2 machine screws; a 0.25 mm fine pitch exists but is uncommon. The tap drill is 1.6 mm and the normal clearance hole is 2.4 mm.
What screwdriver do I need for Lenovo ThinkPad 385XD?
The sources do not name the drive. For M2, Phillips heads normally take PH0 and Torx heads T6; socket heads take a 1.5 mm hex key.
Can I use an imperial screw instead of M2?
No. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable. Use a true M2 screw so it does not cross-thread or strip the hole.
Where can I buy replacement screws for Lenovo ThinkPad 385XD?
TechSpareWarehouse (our own store) lists M2 x 2.5mm, M2 x 6mm and M2.5 x 12mm, which match lengths in the records above.