Sonos One control panel and mic array screw size
M2.5 · 4 to 6 mm long
Sonos One control panel and mic array takes M2.5 metric screws in lengths from 4 to 6 mm.
Where it is used: smaller screws for the top control panel.
This entry is marked confirmed and comes from ifixit.com.
For reference, M2.5 is 2.5 mm across the threads at 0.45 mm pitch. The imperial size people confuse it with: #3-48 / #4-40 (2.51 / 2.84 mm) — #4-40 is the common US stand-in and it will NOT thread in.
Sonos One control panel and mic array 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 |
|---|---|---|---|---|---|---|
| M2.5 | 4–6 mm | 0.45 mm | not stated | not stated | Smaller screws for the top control panel | Confirmed |
Fitment records and sources
Smaller screws for the top control panel
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- VESA holes are threaded inserts in the back cover; if a screw stops early, back it out rather than forcing it, because a bottomed-out screw can crack the panel housing.
- Diameter: across the threads an M2.5 screw measures about 2.5 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.45 mm from one thread crest to the next (22.22 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 4–6 mm, which means different positions take different lengths — match each hole to its own screw.
- Driver: the source does not name the drive. Standard M2.5 heads take PH1 for Phillips and T8 for Torx, and a 2 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 M2.5 is about 45-70 N·cm into metal threads and 20-35 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M2.5
- M2.5 pitch is 0.45mm vs M3's 0.5mm and M2's 0.4mm — forcing the wrong one strips plastic bosses instantly.
- M2.5 and M3 look the same to the naked eye — you need calipers on the shank to tell them apart.
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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- Raspberry Pi official 7in touchscreen also M2.5 × 6 mm
- E-scooter dashboards & controllers also M2.5 × 5–6 mm
- Amazon Echo (full size) drivers also M2.5 × 6 mm
- Wooden Camera Director's Monitor Cage (Odyssey 7Q) also M2.5 × 4 mm
- Compact projector internals also M2.5 × 5–6 mm
- Oyaide SCR-S phono cartridge screw set also M2.5 × 6 mm
- Acer Aspire 7230 also M2.5 × 4 mm
- HP Pavilion dv2500 Entertainment also M2.5 × 4 mm
Questions about Sonos One control panel and mic array screws
- What size screw does Sonos One control panel and mic array use?
- M2.5 × 4–6 mm for smaller screws for the top control panel.
- How long are the screws in Sonos One control panel and mic array?
- The records range from 4 to 6 mm depending on the position, so match each screw to its own hole.
- What is the thread pitch of an M2.5 screw?
- 0.45 mm (coarse), which is the standard pitch for M2.5 machine screws; a 0.35 mm fine pitch exists but is uncommon. The tap drill is 2.05 mm and the normal clearance hole is 2.9 mm.
- What screwdriver do I need for Sonos One control panel and mic array?
- The sources do not name the drive. For M2.5, Phillips heads normally take PH1 and Torx heads T8; socket heads take a 2 mm hex key.
- Can I use an imperial screw instead of M2.5?
- No. Imperial look-alike: #3-48 / #4-40 (2.51 / 2.84 mm) — #4-40 is the common US stand-in and it will NOT thread in. Use a true M2.5 screw so it does not cross-thread or strip the hole.
- Where can I buy replacement screws for Sonos One control panel and mic array?
- TechSpareWarehouse (our own store) lists M2.5 x 4mm, M2.5 x 5mm and M2.5 x 6mm, which match lengths in the records above.