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Lenovo Legion Go screw size

M1.6 / M2 · 2.5 to 5 mm long

The screws used on Lenovo Legion Go are M1.6 and M2 in lengths from 2.5 to 5 mm.

There are 5 separate fitment records for it, including internal chassis/shield screws (6x) (M1.6), internal cover screws (M1.6) and right controller guide screws (3x) (M2), plus 2 more in the table below.

5 of the 5 records are marked confirmed, drawn from 1 source (download.lenovo.com).

M1.6 means a 1.6 mm nominal diameter with a 0.35 mm thread pitch. Imperial look-alike: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent.

Lenovo Legion Go 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
M1.65 mm0.35 mmnot statednot statedinternal chassis/shield screws (6x)Confirmed
M1.63 mm0.35 mmnot statednot statedinternal cover screwsConfirmed
M23 mm0.4 mmnot statednot statedright controller guide screws (3x)Confirmed
M22.5 mm0.4 mmnot statednot statedM.2 SSD retention screwConfirmed
M22.5 mm0.4 mmnot statednot statedheat sink screws (3x)Confirmed

Fitment records and sources

M1.65mmconfirmed

internal chassis/shield screws (6x)

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

M1.63mmconfirmed

internal cover screws

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

M23mmconfirmed

right controller guide screws (3x)

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

M22.5mmconfirmed

M.2 SSD retention screw

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

M22.5mmconfirmed

heat sink screws (3x)

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

How to check the screw before you buy

  1. Phone and wearable screws are tiny and often differ by fractions of a millimetre between positions; keep each one next to the hole it came from.
  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, 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 2.5–5 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 M1.6 heads take PH00 for Phillips and T4–T5 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 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

  • Steam Deck backplate screws are M1.6, not M2 as commonly assumed — check the iFixit Screw ID guide before ordering.
  • Xbox Series X internal chassis screws are M3, not M2 (confirmed on iFixit) — a widespread misconception.
  • M2 (2.00mm, 0.4mm pitch) is NOT the same as #2-56 UNC (2.18mm) — close enough to cross-thread and strip if forced.

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 Legion Go, closest length match first.

Questions about Lenovo Legion Go screws

What size screw does Lenovo Legion Go use?
M1.6 × 5 mm for internal chassis/shield screws (6x); M1.6 × 3 mm for internal cover screws; M2 × 3 mm for right controller guide screws (3x); M2 × 2.5 mm for M.2 SSD retention screw; M2 × 2.5 mm for heat sink screws (3x).
How long are the screws in Lenovo Legion Go?
The records range from 2.5 to 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 Lenovo Legion Go?
The sources do not name the drive. For M1.6, Phillips heads normally take PH00 and Torx heads T4–T5; socket heads take 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 Lenovo Legion Go?
TechSpareWarehouse (our own store) lists M1.6 x 3mm, M2 x 3mm and M2 x 2.5mm, which match lengths in the records above.