ABB Terra DC Wallbox (3-phase UL) screw size
M5 · length not stated in the sources
ABB Terra DC Wallbox (3-phase UL) takes M5 metric screws. None of the sources we found gives an exact length, so measure the original before you order.
Where it is used: two bolts on lower side of unit.
This entry is marked confirmed and comes from library.e.abb.com.
For reference, M5 is 5 mm across the threads at 0.8 mm pitch. The imperial size people confuse it with: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
ABB Terra DC Wallbox (3-phase UL) 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 |
|---|---|---|---|---|---|---|
| M5 | not stated | 0.8 mm | not stated | not stated | two bolts on lower side of unit | Confirmed |
Fitment records and sources
two bolts on lower side of unit
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- Where the manufacturer publishes a torque value, use a torque driver rather than feel.
- Diameter: across the threads an M5 screw measures about 5 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.8 mm from one thread crest to the next (12.5 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 M5 heads take PH2 for Phillips and T25 for Torx, and a 4 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 M5 is about 4.0-6.0 N·m into metal threads and 1.5-2.5 N·m into plastic bosses; snug it up and stop.
Common mix-ups with M5
- Stacking frame + rack tab + fender stay needs 18-20mm bolts, not the 12-16mm that come with a cage.
- Wheelchair and mobility OEM screws specify an exact standard and strength class (ISO 7045 CL4.8, ISO 4762 CL12.9). Matching only the thread size can cause a failure under load.
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Devices whose records share a thread with ABB Terra DC Wallbox (3-phase UL), closest length match first.
- Shimano Ultegra RD-6700 rear derailleur also M5
- Bicycle bottle cage bosses (near universal) also M5
- Invacare Action3 NG wheelchair frame/axle fastener also M5
- VMAC Multifunction Power System D600007 also M5
- Kenwood DPX-MP4070 car stereo ground/binding screw (accessory 3) also M5
- Kenwood DPX-MP4070 car stereo ground/binding screw (accessory 4) also M5
- Dinkle DKZ16 DIN-rail busbar terminal block also M5
- Xiaomi M365 / Pro stem faceplate also M5
Questions about ABB Terra DC Wallbox (3-phase UL) screws
- What size screw does ABB Terra DC Wallbox (3-phase UL) use?
- M5 for two bolts on lower side of unit.
- How long are the screws in ABB Terra DC Wallbox (3-phase UL)?
- 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 M5 screw?
- 0.8 mm (coarse), which is the standard pitch for M5 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 4.2 mm and the normal clearance hole is 5.5 mm.
- What screwdriver do I need for ABB Terra DC Wallbox (3-phase UL)?
- The sources do not name the drive. For M5, Phillips heads normally take PH2 and Torx heads T25; socket heads take a 4 mm hex key.
- Can I use an imperial screw instead of M5?
- No. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing. Use a true M5 screw so it does not cross-thread or strip the hole.