Traxxas E-Revo (TRA2523/TRX3229) screw size
M2.5 · 10 mm long
The screws used on Traxxas E-Revo (TRA2523/TRX3229) are M2.5, 10 mm long.
The record covers countersunk hex drive machine screws, chassis/shock tower.
Head and drive, as the source states them: flat / countersunk head.
This entry is marked confirmed and comes from astramodel.cz.
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.
Traxxas E-Revo (TRA2523/TRX3229) 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 | 10 mm | 0.45 mm | Flat / countersunk | not stated | countersunk hex drive machine screws, chassis/shock tower | Confirmed |
Fitment records and sources
countersunk hex drive machine screws, chassis/shock tower
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
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 M2.5 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.
- The record states 10 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 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.
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.
-
M2.5 x 10mm Phillips Wafer Head Screw for Turntable Cartridge Headshell Mount - Pack of 50 Black
$5.99 -
M2.5 x 10mm Phillips Wafer Head Screw for ASUS TUF Gaming A15/F15 Laptop Repair - Single Replacement Black
$0.10 each · min. 50
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M2.5 x 10mm Phillips Wafer Head Screw for Laptop Bottom Cover Replacement - Single Replacement Black
$0.10 each · min. 50
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- Axial SCX10 III RC crawler, countersunk and cap screws also M2.5 × 10 mm
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- PowerVision PowerRay underwater drone also M2.5 × 10 mm
- Sewing machine needle plate also M2.5 × 10 mm
- Raspberry Pi (Model B+ through Pi 4/Pi 5 form factor boards) also M2.5 × 10 mm
- Drone remote controller internals also M2.5 × 10 mm
- E-flite Gee Bee R-2 aileron servo cover also M2.5 × 10 mm
- Axial Racing crawler/buggy kits also M2.5 × 10 mm
Questions about Traxxas E-Revo (TRA2523/TRX3229) screws
- What size screw does Traxxas E-Revo (TRA2523/TRX3229) use?
- M2.5 × 10 mm for countersunk hex drive machine screws, chassis/shock tower.
- How long are the screws in Traxxas E-Revo (TRA2523/TRX3229)?
- The record gives 10 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- 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 Traxxas E-Revo (TRA2523/TRX3229)?
- 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.
- Where can I buy replacement screws for Traxxas E-Revo (TRA2523/TRX3229)?
- TechSpareWarehouse (our own store) lists M2.5 x 10mm, which matches the length in the records above.