CubeSat exterior panel corner bracket countersunk screw screw size
M2.5 · length not stated in the sources
If you are replacing a screw on CubeSat exterior panel corner bracket countersunk screw, the thread is M2.5. None of the sources we found gives an exact length, so measure the original before you order.
It is listed for standard DIN M2.5 countersunk screws for structure joints.
Head and drive, as the source states them: flat / countersunk head.
This entry is marked confirmed and comes from scholarworks.wmich.edu.
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.
CubeSat exterior panel corner bracket countersunk screw 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 | not stated | 0.45 mm | Flat / countersunk | not stated | Standard DIN M2.5 countersunk screws for structure joints | Confirmed |
Fitment records and sources
Standard DIN M2.5 countersunk screws for structure joints
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- Board standoffs and enclosure bosses set the usable length: the screw should clamp the board without bottoming in the standoff.
- 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: the source describes a countersunk (flat) head, and those are measured overall, from the top of the head to the tip.
- 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.
More in Electronics, Racks & Enclosures
The same screw also fits
Devices whose records share a thread with CubeSat exterior panel corner bracket countersunk screw, closest length match first.
- HP EliteBook 840 G2 / 740 G2 / ZBook 14 G2 also M2.5
- NVG shroud / helmet bracket hardware (Gentex-style 3-hole) also M2.5
- HP Pavilion also M2.5
- HARTING D-Sub jackscrew 09670019992 also M2.5
- PW-Sat2 CubeSat secondary structure and panels also M2.5
- nVent SCHROFF instrument/enclosure collar panhead screw also M2.5
- Eurorack rails (older Doepfer variant) also M2.5
- Raspberry Pi HAT mounting kit also M2.5
Questions about CubeSat exterior panel corner bracket countersunk screw screws
- What size screw does CubeSat exterior panel corner bracket countersunk screw use?
- M2.5 for standard DIN M2.5 countersunk screws for structure joints.
- How long are the screws in CubeSat exterior panel corner bracket countersunk screw?
- None of the sources states a length. Remove one screw and measure it from under the head to the tip (overall for a countersunk head).
- 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 CubeSat exterior panel corner bracket countersunk screw?
- 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.