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Lenovo ThinkPad x1 Yoga 3rd Gen screw size

M2 / M2.5 · 2 to 5 mm long

If you are replacing a screw on Lenovo ThinkPad x1 Yoga 3rd Gen, the thread is M2 and M2.5 in lengths from 2 to 5 mm.

There are 13 separate fitment records for it, including hinge (qty 4, flat, black) (M2), touchpad (qty 4, flat, silver) (M2) and display (qty 2, flat, black) (M2), plus 10 more in the table below.

13 of the 13 records are marked confirmed, drawn from 1 source (download.lenovo.com).

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 x1 Yoga 3rd Gen 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
M22 mm0.4 mmnot statednot statedHinge (qty 4, flat, black)black finishConfirmed
M22 mm0.4 mmnot statednot statedTouchpad (qty 4, flat, silver)Confirmed
M22.5 mm0.4 mmnot statednot statedDisplay (qty 2, flat, black)black finishConfirmed
M22.5 mm0.4 mmnot statednot statedPower button (qty 2, flat, black)black finishConfirmed
M22.5 mm0.4 mmnot statednot statedSSD (qty 1, flat, black)black finishConfirmed
M22.5 mm0.4 mmnot statednot statedSystem board (qty 9, flat, black)black finishConfirmed
M22.5 mm0.4 mmnot statednot statedWireless card (qty 1, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedHinge (qty 2, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedBattery (qty 1, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedSpeaker (qty 6, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedSystem board (qty 2, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedUnspecified (qty 1, flat, black)black finishConfirmed
M2.54.5 mm0.45 mmnot statednot statedDisplay (qty 2, flat, silver)Confirmed

Fitment records and sources

M22 mmconfirmed

Hinge (qty 4, flat, black)

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

M22 mmconfirmed

Touchpad (qty 4, flat, silver)

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

M22.5 mmconfirmed

Display (qty 2, flat, black)

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

M22.5 mmconfirmed

Power button (qty 2, flat, black)

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

M22.5 mmconfirmed

SSD (qty 1, flat, black)

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

M22.5 mmconfirmed

System board (qty 9, flat, black)

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

M22.5 mmconfirmed

Wireless card (qty 1, flat, black)

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

M23 mmconfirmed

Hinge (qty 2, flat, black)

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

M25 mmconfirmed

Battery (qty 1, flat, black)

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

M25 mmconfirmed

Speaker (qty 6, flat, black)

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

M25 mmconfirmed

System board (qty 2, flat, black)

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

M25 mmconfirmed

Unspecified (qty 1, flat, black)

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

M2.54.5 mmconfirmed

Display (qty 2, flat, silver)

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 M2 screw measures about 2 mm with calipers (usually a hair under). This device also uses M2.5, 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 2–5 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 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

  • M.2 SSD mounting screws (M2 x 3mm) are frequently mislabeled generically as 'M.2 screws' which can be confused with the M2 metric thread designation — they do coincide numerically here but are conceptually distinct (M.2 = card format, M2 = thread size).
  • 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.
  • 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 Lenovo ThinkPad x1 Yoga 3rd Gen, closest length match first.

Questions about Lenovo ThinkPad x1 Yoga 3rd Gen screws

What size screw does Lenovo ThinkPad x1 Yoga 3rd Gen use?
M2 × 2 mm for hinge (qty 4, flat, black); M2 × 2 mm for touchpad (qty 4, flat, silver); M2 × 2.5 mm for display (qty 2, flat, black); M2 × 2.5 mm for power button (qty 2, flat, black); M2 × 2.5 mm for SSD (qty 1, flat, black); M2 × 2.5 mm for system board (qty 9, flat, black); M2 × 2.5 mm for wireless card (qty 1, flat, black); M2 × 3 mm for hinge (qty 2, flat, black); M2 × 5 mm for battery (qty 1, flat, black); M2 × 5 mm for speaker (qty 6, flat, black); M2 × 5 mm for system board (qty 2, flat, black); M2 × 5 mm for unspecified (qty 1, flat, black); M2.5 × 4.5 mm for display (qty 2, flat, silver).
How long are the screws in Lenovo ThinkPad x1 Yoga 3rd Gen?
The records range from 2 to 5 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 x1 Yoga 3rd Gen?
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 x1 Yoga 3rd Gen?
TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 2.5mm and M2 x 3mm, which match lengths in the records above.