DJI Phantom GoPro-style under-body mount screw size
M2 · length not stated in the sources
The screws used on DJI Phantom GoPro-style under-body mount are M2. None of the sources we found gives an exact length, so measure the original before you order.
It is listed for small screws securing the mount plate under the body.
This entry is marked reported and comes from phantompilots.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.
DJI Phantom GoPro-style under-body mount 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 | not stated | 0.4 mm | not stated | not stated | Small screws securing the mount plate under the body | Reported |
Fitment records and sources
Small screws securing the mount plate under the body
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.
- 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.
- M2 (2.00mm, 0.4mm pitch) is NOT the same as #2-56 UNC (2.18mm) — close enough to cross-thread and strip if forced.
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Devices whose records share a thread with DJI Phantom GoPro-style under-body mount, closest length match first.
- Scaleauto SC-1629 nylon guide nut (1/24 slot car) also M2
- Futaba micro servo self-tapping screw also M2
- MTH Premier SD-70 (2-rail HO locomotive) also M2
- Scaleauto SC-1652 (1/32 slot car) also M2
- E-flite Gee Bee R-2 wing connector also M2
- ALware Quad Flyer Spider 500 quadcopter kit also M2
- Mechanical clock movement plates also M2
- Luma 5 Pro FPV freestyle frame also M2
Questions about DJI Phantom GoPro-style under-body mount screws
- What size screw does DJI Phantom GoPro-style under-body mount use?
- M2 for small screws securing the mount plate under the body.
- How long are the screws in DJI Phantom GoPro-style under-body mount?
- 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 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 DJI Phantom GoPro-style under-body mount?
- 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.