Fairphone 2 internal screws screw size
M1.4 · 5.5 mm long
If you are replacing a screw on Fairphone 2 internal screws, the thread is M1.4, 5.5 mm long.
Where it is used: measured 1.4mm thread, 5.5mm long, PH0 drive.
Head and drive, as the source states them: Phillips PH0 drive.
This entry is marked likely and comes from forum.fairphone.com.
For reference, M1.4 is 1.4 mm across the threads at 0.3 mm pitch. The imperial size people confuse it with: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix.
Fairphone 2 internal screws 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 |
|---|---|---|---|---|---|---|
| M1.4 | 5.5 mm | 0.3 mm | not stated | Phillips PH0 | Measured 1.4mm thread, 5.5mm long, PH0 drive | Likely |
Fitment records and sources
Measured 1.4mm thread, 5.5mm long, PH0 drive
pitch 0.3 mm · tap 1.1 mm · clearance 1.6 mm · PH000 / PH00 / Torx T2–T3
How to check the screw before you buy
- 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.
- Diameter: across the threads an M1.4 screw measures about 1.4 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.3 mm from one thread crest to the next (33.33 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 record states 5.5 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- Driver: the source names a Phillips PH0 drive. For comparison, standard M1.4 heads take PH000 / PH00 (Phillips) or T2–T3 (Torx), or a 1.3 mm hex key.
- Tightening: no device-specific torque is published in these records. The site's general figure for M1.4 is about 8-12 N·cm into metal threads and 4-7 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M1.4
- M1.4 is THE Samsung Galaxy internal screw across S, A, M and Note lines — but lengths run 2.3mm to 4mm+ and are not interchangeable between models.
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Devices whose records share a thread with Fairphone 2 internal screws, closest length match first.
- Miniature precision instrument screws (NBK) also M1.4 × 5.5 mm
- Fairphone 2 / 3 / 4 internal screws also M1.4 × 5.5 mm
- NBK SSCZS miniature captive screw for precision instruments also M1.4 × 5.5 mm
- Eyeglass hinge screw (internal thread spec) also M1.4 × 5.5 mm
- FPV flight-controller / ESC stacks also M1.4 × 5.5 mm
- Dental handpiece cartridge screws also M1.4 × 5.5 mm
- Miniature plastic machine screw (RENY) marketed for micro-precision assemblies including hearing-aid-scale hardware also M1.4 × 5.5 mm
- Eyeglass/spectacle hinge screws also M1.4 × 5.5 mm
Questions about Fairphone 2 internal screws screws
- What size screw does Fairphone 2 internal screws use?
- M1.4 × 5.5 mm for measured 1.4mm thread, 5.5mm long, PH0 drive.
- How long are the screws in Fairphone 2 internal screws?
- The record gives 5.5 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- What is the thread pitch of an M1.4 screw?
- 0.3 mm (coarse), which is the standard pitch for M1.4 machine screws. The tap drill is 1.1 mm and the normal clearance hole is 1.6 mm.
- What screwdriver do I need for Fairphone 2 internal screws?
- The source lists a Phillips PH0 drive. Standard M1.4 heads otherwise take PH000 / PH00 (Phillips) or T2–T3 (Torx), or a 1.3 mm hex key.
- Can I use an imperial screw instead of M1.4?
- No. Imperial look-alike: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix. Use a true M1.4 screw so it does not cross-thread or strip the hole.