NanoAvionics M6P nanosatellite payload mounting (PC104 pattern) screw size
M3 · length not stated in the sources
The screws used on NanoAvionics M6P nanosatellite payload mounting (PC104 pattern) are M3. None of the sources we found gives an exact length, so measure the original before you order.
The record covers platform-payload ICD: PC104 hole pattern with M3 interfaces.
This entry is marked confirmed and comes from nanoavionics.com.
M3 means a 3 mm nominal diameter with a 0.5 mm thread pitch. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.
NanoAvionics M6P nanosatellite payload mounting (PC104 pattern) 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 |
|---|---|---|---|---|---|---|
| M3 | not stated | 0.5 mm | not stated | not stated | Platform-payload ICD: PC104 hole pattern with M3 interfaces | Confirmed |
Fitment records and sources
Platform-payload ICD: PC104 hole pattern with M3 interfaces
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
How to check the screw before you buy
- Take one original screw out first and measure it before ordering; the record above tells you the thread, the original screw tells you the exact length and head.
- Diameter: across the threads an M3 screw measures about 3 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.5 mm from one thread crest to the next (20 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.
- Driver: the source does not name the drive. Standard M3 heads take PH1 for Phillips and T10 for Torx, and a 2.5 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 M3 is about 80-130 N·cm into metal threads and 35-60 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M3
- M3 (3.0mm, 0.5mm pitch) is not #6-32 UNC (~3.5mm) — they look identical and cross-thread, the single most common PC-building mistake.
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Questions about NanoAvionics M6P nanosatellite payload mounting (PC104 pattern) screws
- What size screw does NanoAvionics M6P nanosatellite payload mounting (PC104 pattern) use?
- M3 for platform-payload ICD: PC104 hole pattern with M3 interfaces.
- How long are the screws in NanoAvionics M6P nanosatellite payload mounting (PC104 pattern)?
- 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 M3 screw?
- 0.5 mm (coarse), which is the standard pitch for M3 machine screws; a 0.35 mm fine pitch exists but is uncommon. The tap drill is 2.5 mm and the normal clearance hole is 3.4 mm.
- What screwdriver do I need for NanoAvionics M6P nanosatellite payload mounting (PC104 pattern)?
- The sources do not name the drive. For M3, Phillips heads normally take PH1 and Torx heads T10; socket heads take a 2.5 mm hex key.
- Can I use an imperial screw instead of M3?
- No. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3. Use a true M3 screw so it does not cross-thread or strip the hole.