E-flite Gee Bee R-2 wing fixing screw size
M3 · 25 mm long
If you are replacing a screw on E-flite Gee Bee R-2 wing fixing, the thread is M3, 25 mm long.
The record covers flathead machine screws securing wing to fuselage.
This entry is marked confirmed and comes from horizonhobby.com.
For reference, M3 is 3 mm across the threads at 0.5 mm pitch. The imperial size people confuse it with: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.
E-flite Gee Bee R-2 wing fixing 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 | 25 mm | 0.5 mm | not stated | not stated | Flathead machine screws securing wing to fuselage | Confirmed |
Fitment records and sources
Flathead machine screws securing wing to fuselage
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
How to check the screw before you buy
- Vibration loosens small screws on drones and RC models, so builders commonly add a drop of medium (blue) threadlocker on metal-to-metal joints — never on plastic.
- 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.
- The record states 25 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- 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
- Label printer parts lists write M3*6 with an asterisk; that is still a true ISO M3 x 6mm machine screw.
- GE patient monitors often use 'PT 3x10mm' screws; these are thread-forming screws for plastic and are NOT standard M3 machine threads.
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.
More in Drones, RC & Gimbals
The same screw also fits
Devices whose records share a thread with E-flite Gee Bee R-2 wing fixing, closest length match first.
- Nerf blaster thumbscrews (mid sizes) also M3 × 25 mm
- TBS Source One V3 / HD FPV frame also M3 × 25 mm
- FPV flight-controller / ESC stacks also M3 × 25 mm
- E-flite Gee Bee R-2 1.0m wing securing screws also M3 × 25 mm
- FPV carbon frame arms and standoffs also M3 × 25 mm
- HP LaserJet family common hardware also M3 × 25 mm
- Prusa MK3S extruder also M3 × 25 mm
- cab Applicator A3200 print-and-apply labeling system (packaging line hardware) also M3 × 25 mm
Questions about E-flite Gee Bee R-2 wing fixing screws
- What size screw does E-flite Gee Bee R-2 wing fixing use?
- M3 × 25 mm for flathead machine screws securing wing to fuselage.
- How long are the screws in E-flite Gee Bee R-2 wing fixing?
- The record gives 25 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- 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 E-flite Gee Bee R-2 wing fixing?
- 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.