HP mt44 Mobile Thin Client screw size
M2 / M2.5 · 2 to 11 mm long
If you are replacing a screw on HP mt44 Mobile Thin Client, the thread is M2 and M2.5 in lengths from 2 to 11 mm.
There are 15 separate fitment records for it, including display (qty 4, Phillips) (M2), SSD (qty 1, Phillips) (M2) and wireless card (qty 1, Phillips) (M2), plus 12 more in the table below.
Head and drive, as the sources state them: Phillips drive.
15 of the 15 records are marked confirmed, drawn from 1 source (h10032.www1.hp.com).
For reference, M2 is 2 mm across the threads at 0.4 mm pitch. The imperial size people confuse it with: #2-56 UNC (2.18 mm) is close but not interchangeable.
HP mt44 Mobile Thin Client 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 | 2 mm | 0.4 mm | not stated | Phillips | Display (qty 4, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | SSD (qty 1, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Wireless card (qty 1, Phillips) | Confirmed |
| M2 | 2.5 mm | 0.4 mm | not stated | Phillips | Card reader (qty 3, Phillips) | Confirmed |
| M2 | 2.5 mm | 0.4 mm | not stated | Phillips | Speaker (qty 2, Phillips) | Confirmed |
| M2 | 2.5 mm | 0.4 mm | not stated | Phillips | Touchpad (qty 5, Phillips) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | Phillips | I/O board (qty 2, Phillips) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | Phillips | Fan (qty 5, Phillips) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | Phillips | Keyboard (qty 2, Phillips) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | Phillips | Power button (qty 1, Phillips) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | Phillips | Touchpad (qty 4, Phillips) | Confirmed |
| M2.5 | 11 mm | 0.45 mm | not stated | Phillips | Hinge (qty 3, Phillips) | Confirmed |
| M2.5 | 3 mm | 0.45 mm | not stated | Phillips | System board (qty 4, Phillips) | Confirmed |
| M2.5 | 5 mm | 0.45 mm | not stated | Phillips | Bracket (qty 6, Phillips) | Confirmed |
| M2.5 | 5 mm | 0.45 mm | not stated | Phillips | Hinge (qty 5, Phillips) | Confirmed |
Fitment records and sources
Display (qty 4, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
SSD (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Wireless card (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Card reader (qty 3, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Speaker (qty 2, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Touchpad (qty 5, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
I/O board (qty 2, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Fan (qty 5, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Keyboard (qty 2, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Power button (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Touchpad (qty 4, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Hinge (qty 3, Phillips)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
System board (qty 4, Phillips)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
Bracket (qty 6, Phillips)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
Hinge (qty 5, Phillips)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- 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).
- 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: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
- The records span 2–11 mm, which means different positions take different lengths — match each hole to its own screw.
- Driver: the source names a Phillips drive. For comparison, standard M2 heads take PH0 (Phillips) or T6 (Torx), or a 1.5 mm hex key.
- 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.
- M2.5 and M3 look the same to the naked eye — you need calipers on the shank to tell them apart.
- M2.5 pitch is 0.45mm vs M3's 0.5mm and M2's 0.4mm — forcing the wrong one strips plastic bosses instantly.
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 HP mt44 Mobile Thin Client, closest length match first.
- HP Pavilion dv9000 Entertainment also M2 × 3 mm
- Dell Precision 3530 also M2 × 2.5 mm
- HP Compaq Armada 110 also M2.5 × 5 mm
- Lenovo S435 also M2 × 2 mm
- Dell Inspiron 16 5630 also M2 × 2 mm
- Lenovo ThinkPad 760series also M2.5 × 3 mm
- HP Pavilion ze5600 also M2 × 3 mm
- Lenovo Flex 3-1570 (HSW) also M2 × 2.5 mm
Questions about HP mt44 Mobile Thin Client screws
- What size screw does HP mt44 Mobile Thin Client use?
- M2 × 2 mm for display (qty 4, Phillips); M2 × 2 mm for SSD (qty 1, Phillips); M2 × 2 mm for wireless card (qty 1, Phillips); M2 × 2.5 mm for card reader (qty 3, Phillips); M2 × 2.5 mm for speaker (qty 2, Phillips); M2 × 2.5 mm for touchpad (qty 5, Phillips); M2 × 3 mm for I/O board (qty 2, Phillips); M2 × 3 mm for fan (qty 5, Phillips); M2 × 3 mm for keyboard (qty 2, Phillips); M2 × 3 mm for power button (qty 1, Phillips); M2 × 3 mm for touchpad (qty 4, Phillips); M2.5 × 11 mm for hinge (qty 3, Phillips); M2.5 × 3 mm for system board (qty 4, Phillips); M2.5 × 5 mm for bracket (qty 6, Phillips); M2.5 × 5 mm for hinge (qty 5, Phillips).
- How long are the screws in HP mt44 Mobile Thin Client?
- The records range from 2 to 11 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 HP mt44 Mobile Thin Client?
- The source lists a Phillips drive. Standard M2 heads otherwise take PH0 (Phillips) or T6 (Torx), or 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 HP mt44 Mobile Thin Client?
- TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 2.5mm and M2 x 3mm, which match lengths in the records above.



