MikroTik RouterBOARD outdoor case screw size
M2.5 · 5 to 8 mm long
MikroTik RouterBOARD outdoor case takes M2.5 metric screws in lengths from 5 to 8 mm.
The record covers board standoff / distancer mounting screws.
This entry is marked reported and comes from i.mt.lv.
M2.5 means a 2.5 mm nominal diameter with a 0.45 mm thread pitch. 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.
MikroTik RouterBOARD outdoor case 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 | 5–8 mm | 0.45 mm | not stated | not stated | board standoff / distancer mounting screws | Reported |
Fitment records and sources
board standoff / distancer mounting screws
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- Outdoor hardware should be stainless or coated to stop corrosion seizing it in place.
- 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 5–8 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
- Projector optics and fan screws often step down to M2.5 while the outer covers use M3 - do not reuse cover screws inside the light engine.
- 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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Devices whose records share a thread with MikroTik RouterBOARD outdoor case, closest length match first.
- Dell Latitude 3410 also M2.5 × 5 mm
- Dell Precision 3541 also M2.5 × 6.3 mm
- Lenovo ideapad 320-14AST also M2.5 × 5 mm
- Dell Latitude 7520 also M2.5 × 5 mm
- LG LW60 also M2.5 × 6 mm
- Acer TravelMate 5220 also M2.5 × 5 mm
- Lenovo ThinkPad E550c also M2.5 × 5 mm
- Dell Inspiron 6400x also M2.5 × 5 mm
Questions about MikroTik RouterBOARD outdoor case screws
- What size screw does MikroTik RouterBOARD outdoor case use?
- M2.5 × 5–8 mm for board standoff / distancer mounting screws.
- How long are the screws in MikroTik RouterBOARD outdoor case?
- The records range from 5 to 8 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 MikroTik RouterBOARD outdoor case?
- 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 MikroTik RouterBOARD outdoor case?
- TechSpareWarehouse (our own store) lists M2.5 x 5mm, M2.5 x 6mm and M2.5 x 8mm, which match lengths in the records above.