Fairphone 4 internal screws screw size
M1.4 · 3.5 to 4.5 mm long
The screws used on Fairphone 4 internal screws are M1.4 in lengths from 3.5 to 4.5 mm.
The record covers reported as M1.4 x 3.5mm, with a 4.5mm variant.
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 4 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 | 3.5–4.5 mm | 0.3 mm | not stated | not stated | Reported as M1.4 x 3.5mm, with a 4.5mm variant | Likely |
Fitment records and sources
Reported as M1.4 x 3.5mm, with a 4.5mm variant
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 records span 3.5–4.5 mm, which means different positions take different lengths — match each hole to its own screw.
- Driver: the source does not name the drive. Standard M1.4 heads take PH000 / PH00 for Phillips and T2–T3 for Torx, and a 1.3 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 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.
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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M1.4 x 3.5mm Black Wafer Head Headphone Housing Screws for Sennheiser MOMENTUM On-Ear, M2 OEBT, OEG & OEi – 20-Pack Replacement
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M1.4 x 3.5mm Black Wafer Head Internal Screws for Samsung Galaxy S21, S20, A54, A53, Note 10 – 20-Pack Replacement
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M1.4 Phillips Flat Head Carbon Steel Machine Screws (Multiple Lengths & Finishes)
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Devices whose records share a thread with Fairphone 4 internal screws, closest length match first.
- Eyeglasses/sunglasses hinge screw also M1.4 × 4 mm
- Miniature precision instrument screws (NBK) also M1.4 × 3.5–4.5 mm
- Samsung Galaxy S24 also M1.4 × 3.5 mm
- Fairphone 3 / Fairphone 4 also M1.4 × 3.5 mm
- Fairphone 3 internal screws also M1.4 × 3.8–4.1 mm
- Google Pixel phones also M1.4 × 3.5 mm
- LG smartphones also M1.4 × 3.5 mm
- Fairphone 2 / 3 / 4 internal screws also M1.4 × 3.8–4.5 mm
Questions about Fairphone 4 internal screws screws
- What size screw does Fairphone 4 internal screws use?
- M1.4 × 3.5–4.5 mm for reported as M1.4 x 3.5mm, with a 4.5mm variant.
- How long are the screws in Fairphone 4 internal screws?
- The records range from 3.5 to 4.5 mm depending on the position, so match each screw to its own hole.
- 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 4 internal screws?
- The sources do not name the drive. For M1.4, Phillips heads normally take PH000 / PH00 and Torx heads T2–T3; socket heads take 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.