Lenovo ThinkPad T410s screw size
M2 / M2.5 · 1.8 to 6.5 mm long
Our records put Lenovo ThinkPad T410s on M2 and M2.5 screws in lengths from 1.8 to 6.5 mm.
There are 29 separate fitment records for it, including card reader (qty 1, shoulder, black) (M2), palm rest (qty 1, shoulder, black) (M2) and I/O board (qty 1, small-head, silver,black) (M2), plus 26 more in the table below.
Head and drive, as the sources state them: shoulder screw and binding heads.
29 of the 29 records are marked confirmed, drawn from 3 sources (download.lenovo.com, thinkpad-manuals.retropc.se and tim.id.au).
M2 means a 2 mm nominal diameter with a 0.4 mm thread pitch. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.
Lenovo ThinkPad T410s 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.
| Thread | Length | Pitch | Head | Drive | Where it goes | Status |
|---|---|---|---|---|---|---|
| M2 | 1.8 mm | 0.4 mm | Shoulder screw | not stated | Card reader (qty 1, shoulder, black)black finish | Confirmed |
| M2 | 1.8 mm | 0.4 mm | Shoulder screw | not stated | Palm rest (qty 1, shoulder, black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | I/O board (qty 1, small-head, silver,black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Camera (qty 1, small-head, silver,black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | Shoulder screw | not stated | Display bezel (qty 2, shoulder, black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Hinge (qty 2, small-head, black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Palm rest (qty 5, small-head, silver,black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | System board (qty 2, silver,black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Unspecified (qty 2, silver,black)black finish | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Wireless card (qty 2, small-head, silver,black)black finish | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | not stated | Display (qty 3, broadhead, black)black finish | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | not stated | System board (qty 3, broadhead, black)black finish | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | not stated | Unspecified (qty 3, broadhead, black)black finish | Confirmed |
| M2 | 4 mm | 0.4 mm | Binding head | not stated | I/O board (qty 1, binding, black)black finish | Confirmed |
| M2 | 4 mm | 0.4 mm | Binding head | not stated | Hinge (qty 2, binding, silver,black)black finish | Confirmed |
| M2 | 4 mm | 0.4 mm | Binding head | not stated | Palm rest (qty 8, binding, black)black finish | Confirmed |
| M2 | 4 mm | 0.4 mm | Binding head | not stated | Unspecified (qty 1, binding, black)black finish | Confirmed |
| M2 | 4 mm | 0.4 mm | Binding head | not stated | Wireless card (qty 2, binding, black)black finish | Confirmed |
| M2 | 5 mm | 0.4 mm | not stated | not stated | System board (qty 2, flat, black)black finish | Confirmed |
| M2 | 5 mm | 0.4 mm | not stated | not stated | Unspecified (qty 2, flat, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | I/O board (qty 1, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | Display (qty 2, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | Keyboard (qty 2, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | Palm rest (qty 6, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | SSD (qty 1, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | System board (qty 2, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | Binding head | not stated | Unspecified (qty 2, binding, black)black finish | Confirmed |
| M2 | 6 mm | 0.4 mm | not stated | not stated | Wireless card (qty 2, flat, silver) | Confirmed |
| M2.5 | 6.5 mm | 0.45 mm | not stated | not stated | Display (qty 2, flat, black)black finish | Confirmed |
Fitment records and sources
Card reader (qty 1, shoulder, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Palm rest (qty 1, shoulder, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
I/O board (qty 1, small-head, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Camera (qty 1, small-head, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Display bezel (qty 2, shoulder, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Hinge (qty 2, small-head, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Palm rest (qty 5, small-head, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 2, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Unspecified (qty 2, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Wireless card (qty 2, small-head, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Display (qty 3, broadhead, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 3, broadhead, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Unspecified (qty 3, broadhead, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
I/O board (qty 1, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Hinge (qty 2, binding, silver,black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Palm rest (qty 8, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Unspecified (qty 1, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Wireless card (qty 2, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 2, flat, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Unspecified (qty 2, flat, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
I/O board (qty 1, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Display (qty 2, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Keyboard (qty 2, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Palm rest (qty 6, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
SSD (qty 1, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 2, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Unspecified (qty 2, binding, black)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Wireless card (qty 2, flat, silver)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Display (qty 2, flat, black)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- 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.
- 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.
- 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.
- Length: for shoulder screw / binding head screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
- The records span 1.8–6.5 mm, which means different positions take different lengths — match each hole to its own screw.
- 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.
- 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
- The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
- 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).
- Dell/HP/Lenovo manuals often list screws only by torque or head shape, so community teardowns are needed for diameter.
- Nylon-coated M2.5 screws (ThinkPad Edge) are thread-locking; plain replacements work loose over time.
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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More in Laptops & PCs
The same screw also fits
Devices whose records share a thread with Lenovo ThinkPad T410s, closest length match first.
- Lenovo ideapad 320E-17ISK also M2 × 3 mm
- HP Compaq nx7220 also M2 × 4 mm
- HP d4000 also M2 × 3 mm
- Lenovo ThinkPad T21 also M2 × 4 mm
- Keebio custom keyboard builds (screws/standoffs) also M2 × 3 mm
- Dell Latitude C510 also M2 × 3 mm
- Acer Aspire / Swift M.2 SSD also M2 × 3 mm
- Lenovo ThinkPad T14 Gen 3 and P14s Gen 3 also M2 × 3 mm
Questions about Lenovo ThinkPad T410s screws
- What size screw does Lenovo ThinkPad T410s use?
- M2 × 1.8 mm for card reader (qty 1, shoulder, black); M2 × 1.8 mm for palm rest (qty 1, shoulder, black); M2 × 3 mm for I/O board (qty 1, small-head, silver,black); M2 × 3 mm for camera (qty 1, small-head, silver,black); M2 × 3 mm for display bezel (qty 2, shoulder, black); M2 × 3 mm for hinge (qty 2, small-head, black); M2 × 3 mm for palm rest (qty 5, small-head, silver,black); M2 × 3 mm for system board (qty 2, silver,black); M2 × 3 mm for unspecified (qty 2, silver,black); M2 × 3 mm for wireless card (qty 2, small-head, silver,black); M2 × 3.5 mm for display (qty 3, broadhead, black); M2 × 3.5 mm for system board (qty 3, broadhead, black); M2 × 3.5 mm for unspecified (qty 3, broadhead, bl.
- How long are the screws in Lenovo ThinkPad T410s?
- The records range from 1.8 to 6.5 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 T410s?
- 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 T410s?
- TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 3mm and M2 x 4mm, which match lengths in the records above.



