FPV freestyle frames (Djinn F25 SP) screw size
M2 · 4 to 12 mm long
The screws used on FPV freestyle frames (Djinn F25 SP) are M2 in lengths from 4 to 12 mm.
The record covers 20x20 flight-controller stack mounting and 9x9 motor pattern.
This entry is marked confirmed and comes from quadmula.com.
M2 means a 2 mm nominal diameter with a 0.4 mm thread pitch. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.
FPV freestyle frames (Djinn F25 SP) 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 | 4–12 mm | 0.4 mm | not stated | not stated | 20x20 flight-controller stack mounting and 9x9 motor pattern | Confirmed |
Fitment records and sources
20x20 flight-controller stack mounting and 9x9 motor pattern
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
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 M2 screw measures about 2 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.4 mm from one thread crest to the next (25 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 4–12 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 heads take PH0 for Phillips and T6 for Torx, and a 1.5 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 M2 is about 25-40 N·cm into metal threads and 12-20 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M2
- Slot car brands also use M2.2 and M2.6 threads that look like M2 but will not interchange - Slot.it M2.2x4.5 motor mount and SCC M2.6x8 body screws are separate sizes.
- Drone kits mix M2 (motors) and M2.5 (stack) in the same bag — easy to grab the wrong one.
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 FPV freestyle frames (Djinn F25 SP), closest length match first.
- Arcade marquee retainers also M2 × 6–10 mm
- FPV flight controller stack 20x20mm also M2 × 7–12 mm
- Vintage radio chassis and dial screws also M2 × 4–10 mm
- PowerVision PowerRay underwater drone also M2 × 5 mm
- NSR PK guide (1/32 slot car) also M2 × 4 mm
- Axial SCX10 III RC crawler chassis also M2 × 6–12 mm
- E-flite Gee Bee R-2 wing connector screws also M2 × 8 mm
- RC model servo mounting also M2 × 6–10 mm
Questions about FPV freestyle frames (Djinn F25 SP) screws
- What size screw does FPV freestyle frames (Djinn F25 SP) use?
- M2 × 4–12 mm for 20x20 flight-controller stack mounting and 9x9 motor pattern.
- How long are the screws in FPV freestyle frames (Djinn F25 SP)?
- The records range from 4 to 12 mm depending on the position, so match each screw to its own hole.
- What is the thread pitch of an M2 screw?
- 0.4 mm (coarse), which is the standard pitch for M2 machine screws; a 0.25 mm fine pitch exists but is uncommon. The tap drill is 1.6 mm and the normal clearance hole is 2.4 mm.
- What screwdriver do I need for FPV freestyle frames (Djinn F25 SP)?
- The sources do not name the drive. For M2, Phillips heads normally take PH0 and Torx heads T6; socket heads take a 1.5 mm hex key.
- Can I use an imperial screw instead of M2?
- No. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable. Use a true M2 screw so it does not cross-thread or strip the hole.
- Where can I buy replacement screws for FPV freestyle frames (Djinn F25 SP)?
- TechSpareWarehouse (our own store) lists M2 x 4mm, M2 x 5mm and M2 x 6mm, which match lengths in the records above.