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Lenovo ThinkPad T61p screw size

M2 / M2.5 · 2.7 to 19 mm long

The screws used on Lenovo ThinkPad T61p are M2 and M2.5 in lengths from 2.7 to 19 mm.

There are 45 separate fitment records for it, including base cover (qty 2, flat, black) (M2), keyboard (qty 1, flat, black) (M2) and memory (qty 1, flat, black) (M2), plus 42 more in the table below.

Head and drive, as the sources state them: binding head.

45 of the 45 records are marked confirmed, drawn from 2 sources (download.lenovo.com and tim.id.au).

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 T61p 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
M214 mm0.4 mmnot statednot statedBase cover (qty 2, flat, black)black finishConfirmed
M214 mm0.4 mmnot statednot statedKeyboard (qty 1, flat, black)black finishConfirmed
M214 mm0.4 mmnot statednot statedMemory (qty 1, flat, black)black finishConfirmed
M214 mm0.4 mmnot statednot statedPalm rest (qty 4, flat, black)black finishConfirmed
M214 mm0.4 mmnot statednot statedUnspecified (qty 4, flat, black)black finishConfirmed
M219 mm0.4 mmBinding headnot statedUnspecified (qty 1, binding, black)black finishConfirmed
M22.7 mm0.4 mmnot statednot statedSystem board (qty 2, flat, black)black finishConfirmed
M22.8 mm0.4 mmnot statednot statedWireless card (qty 6, flat, silver)Confirmed
M23 mm0.4 mmnot statednot statedBase cover (qty 1, small-head, black,silver)black finishConfirmed
M23 mm0.4 mmnot statednot statedChassis/frame (qty 1, flat,small-head, silver)Confirmed
M23 mm0.4 mmnot statednot statedDisplay (qty 4, flat, silver)Confirmed
M23 mm0.4 mmnot statednot statedFan (qty 2, small-head, silver)Confirmed
M23 mm0.4 mmnot statednot statedMemory (qty 2, small-head, silver)Confirmed
M23 mm0.4 mmnot statednot statedPalm rest (qty 2, small-head,flat, silver)Confirmed
M23 mm0.4 mmnot statednot statedSpeaker (qty 3, small-head,flat, silver)Confirmed
M23 mm0.4 mmnot statednot statedSystem board (qty 2, flat, silver)Confirmed
M23 mm0.4 mmnot statednot statedUnspecified (qty 3, small-head,flat, silver,black)black finishConfirmed
M23 mm0.4 mmnot statednot statedWireless card (qty 2, flat,small-head, black,silver)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedI/O board (qty 2, flat, black)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedBase cover (qty 2, flat, black)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedChassis/frame (qty 9, flat, black)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedPalm rest (qty 2, black)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedSpeaker (qty 5, flat, black)black finishConfirmed
M23.5 mm0.4 mmnot statednot statedUnspecified (qty 2, flat, silver,black)black finishConfirmed
M24 mm0.4 mmnot statednot statedDisplay (qty 6, flat, black)black finishConfirmed
M24 mm0.4 mmnot statednot statedUnspecified (qty 2, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedBase cover (qty 9, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedChassis/frame (qty 1, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedDisplay (qty 2, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedSpeaker (qty 1, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedUnspecified (qty 2, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedBase cover (qty 1, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedChassis/frame (qty 1, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedDisplay (qty 2, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedFan (qty 3, flat, black,silver)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedMemory (qty 2, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedSpeaker (qty 2, flat, black)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedUnspecified (qty 3, flat, black,silver)black finishConfirmed
M29.5 mm0.4 mmnot statednot statedWireless card (qty 2, flat, black)black finishConfirmed
M2.54 mm0.45 mmBinding headnot statedDisplay (qty 3, binding, black)black finishConfirmed
M2.54 mm0.45 mmBinding headnot statedDisplay back cover (qty 2, binding, black)black finishConfirmed
M2.54 mm0.45 mmBinding headnot statedSystem board (qty 2, binding, black)black finishConfirmed
M2.57 mm0.45 mmBinding headnot statedDisplay (qty 3, binding, black)black finishConfirmed
M2.57 mm0.45 mmBinding headnot statedDisplay back cover (qty 3, binding, black)black finishConfirmed
M2.57 mm0.45 mmBinding headnot statedSystem board (qty 3, binding, black)black finishConfirmed

Fitment records and sources

M214 mmconfirmed

Base cover (qty 2, flat, black)

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

Source
M214 mmconfirmed

Keyboard (qty 1, flat, black)

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

Source
M214 mmconfirmed

Memory (qty 1, flat, black)

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

Source
M214 mmconfirmed

Palm rest (qty 4, flat, black)

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

Source
M214 mmconfirmed

Unspecified (qty 4, flat, black)

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

Source
M219 mmconfirmed

Unspecified (qty 1, binding, black)

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

Source
M22.7 mmconfirmed

System board (qty 2, flat, black)

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

Source
M22.8 mmconfirmed

Wireless card (qty 6, flat, silver)

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

Source
M23 mmconfirmed

Base cover (qty 1, small-head, black,silver)

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

Source
M23 mmconfirmed

Chassis/frame (qty 1, flat,small-head, silver)

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

Source
M23 mmconfirmed

Display (qty 4, flat, silver)

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

Source
M23 mmconfirmed

Fan (qty 2, small-head, silver)

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

Source
M23 mmconfirmed

Memory (qty 2, small-head, silver)

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

Source
M23 mmconfirmed

Palm rest (qty 2, small-head,flat, silver)

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

Source
M23 mmconfirmed

Speaker (qty 3, small-head,flat, silver)

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

Source
M23 mmconfirmed

System board (qty 2, flat, silver)

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

Source
M23 mmconfirmed

Unspecified (qty 3, small-head,flat, silver,black)

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

Source
M23 mmconfirmed

Wireless card (qty 2, flat,small-head, black,silver)

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

Source
M23.5 mmconfirmed

I/O board (qty 2, flat, black)

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

Source
M23.5 mmconfirmed

Base cover (qty 2, flat, black)

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

Source
M23.5 mmconfirmed

Chassis/frame (qty 9, flat, black)

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

Source
M23.5 mmconfirmed

Palm rest (qty 2, black)

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

Source
M23.5 mmconfirmed

Speaker (qty 5, flat, black)

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

Source
M23.5 mmconfirmed

Unspecified (qty 2, flat, silver,black)

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

Source
M24 mmconfirmed

Display (qty 6, flat, black)

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

Source
M24 mmconfirmed

Unspecified (qty 2, flat, black)

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

Source
M25 mmconfirmed

Base cover (qty 9, flat, black)

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

Source
M25 mmconfirmed

Chassis/frame (qty 1, flat, black)

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

Source
M25 mmconfirmed

Display (qty 2, flat, black)

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

Source
M25 mmconfirmed

Speaker (qty 1, flat, black)

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

Source
M25 mmconfirmed

Unspecified (qty 2, flat, black)

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

Source
M29.5 mmconfirmed

Base cover (qty 1, flat, black)

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

Source
M29.5 mmconfirmed

Chassis/frame (qty 1, flat, black)

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

Source
M29.5 mmconfirmed

Display (qty 2, flat, black)

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

Source
M29.5 mmconfirmed

Fan (qty 3, flat, black,silver)

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

Source
M29.5 mmconfirmed

Memory (qty 2, flat, black)

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

Source
M29.5 mmconfirmed

Speaker (qty 2, flat, black)

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

Source
M29.5 mmconfirmed

Unspecified (qty 3, flat, black,silver)

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

Source
M29.5 mmconfirmed

Wireless card (qty 2, flat, black)

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

Source
M2.54 mmconfirmed

Display (qty 3, binding, black)

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

Source
M2.54 mmconfirmed

Display back cover (qty 2, binding, black)

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

Source
M2.54 mmconfirmed

System board (qty 2, binding, black)

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

Source
M2.57 mmconfirmed

Display (qty 3, binding, black)

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

Source
M2.57 mmconfirmed

Display back cover (qty 3, binding, black)

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

Source
M2.57 mmconfirmed

System board (qty 3, binding, black)

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

Source

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: for binding head screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
  5. The records span 2.7–19 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).
  • Xbox Series X internal chassis screws are M3, not M2 (confirmed on iFixit) — a widespread misconception.
  • 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 T61p, closest length match first.

Questions about Lenovo ThinkPad T61p screws

What size screw does Lenovo ThinkPad T61p use?
M2 × 14 mm for base cover (qty 2, flat, black); M2 × 14 mm for keyboard (qty 1, flat, black); M2 × 14 mm for memory (qty 1, flat, black); M2 × 14 mm for palm rest (qty 4, flat, black); M2 × 14 mm for unspecified (qty 4, flat, black); M2 × 19 mm for unspecified (qty 1, binding, black); M2 × 2.7 mm for system board (qty 2, flat, black); M2 × 2.8 mm for wireless card (qty 6, flat, silver); M2 × 3 mm for base cover (qty 1, small-head, black,silver); M2 × 3 mm for chassis/frame (qty 1, flat,small-head, silver); M2 × 3 mm for display (qty 4, flat, silver); M2 × 3 mm for fan (qty 2, small-head, silver); M2 × 3 mm for memory (qty 2, small-head, silver); M2 × 3 mm for palm rest (qty 2, small-head,fla.
How long are the screws in Lenovo ThinkPad T61p?
The records range from 2.7 to 19 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 T61p?
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 T61p?
TechSpareWarehouse (our own store) lists M2 x 2.5mm, M2 x 3mm and M2 x 4mm, which match lengths in the records above.

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