Bosch Smart System display interface screw screw size
M3 · 9.5 mm long
If you are replacing a screw on Bosch Smart System display interface screw, the thread is M3, 9.5 mm long.
Where it is used: part of same 1-arm support screw kit, used for the display interface connection.
This entry is marked confirmed and comes from ultrabikeworks.com.
An M3 screw is 3 mm in diameter with a 0.5 mm pitch, tapped with a 2.5 mm drill; imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.
Bosch Smart System display interface screw 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 | 9.5 mm | 0.5 mm | not stated | not stated | Part of same 1-arm support screw kit, used for the display interface connection | Confirmed |
Fitment records and sources
Part of same 1-arm support screw kit, used for the display interface connection
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
How to check the screw before you buy
- For a wall or arm mount, the screw has to engage the threaded insert by several turns but must not bottom out, so measure the insert depth and add the thickness of the bracket and any spacers.
- 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 9.5 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
- Telescope thumbscrews are sold in a wide non-metric legacy range too (1/4-20, 8-32, 10-32 on many Meade/Celestron mounts), so metric M3/M4 fitment applies mainly to newer/international accessory ecosystems (SkyWatcher, generic 1.25" accessories) and should not be assumed universal.
- Thorlabs' 16mm cage system standard plates use dual 4-40 (UNC) and M3 taps on the same plate (e.g., SP01), so metric and imperial fasteners are both valid depending on the region/kit purchased.
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Devices whose records share a thread with Bosch Smart System display interface screw, closest length match first.
- Illuminated sign PCB standoffs also M3 × 9.5 mm
- Wooden Camera Director's Monitor Cage v2/v3 also M3 × 9.5 mm
- Apple HomePod internal drivers also M3 × 9.5 mm
- Soundbar drivers and boards also M3 × 9.5 mm
- Camera cage cold shoe / accessory arm also M3 × 9.5 mm
- LED drivers & furniture electronics also M3 × 9.5 mm
- NBK cleanroom/semiconductor vented socket head cap screw (SVSHT-M3-SD) also M3 × 9.5 mm
- Milwaukee M18/M12 charger and cordless tool internals also M3 × 9.5 mm
Questions about Bosch Smart System display interface screw screws
- What size screw does Bosch Smart System display interface screw use?
- M3 × 9.5 mm for part of same 1-arm support screw kit, used for the display interface connection.
- How long are the screws in Bosch Smart System display interface screw?
- The record gives 9.5 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 Bosch Smart System display interface screw?
- 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.