How long are the screws in LED drivers & furniture electronics?

The records range from 5 to 12 mm depending on the position, so match each screw to its own hole.

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 LED drivers & furniture electronics?

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.

Where can I buy replacement screws for LED drivers & furniture electronics?

TechSpareWarehouse (our own store) lists M3 x 5mm, M3 x 6mm and M3 x 8mm, which match lengths in the records above.

LED drivers & furniture electronics screw size

M3 · 5 to 12 mm long

LED drivers & furniture electronics takes M3 metric screws in lengths from 5 to 12 mm.

Where it is used: driver boxes, PIR sensors, desk power modules and USB hub inserts.

This entry is marked reported and comes from en.wikipedia.org.

M3 means a 3 mm nominal diameter with a 0.5 mm thread pitch. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.

LED drivers & furniture electronics 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	5–12 mm	0.5 mm	not stated	not stated	driver boxes, PIR sensors, desk power modules and USB hub inserts	Reported

Fitment records and sources

M35-12mmreported

driver boxes, PIR sensors, desk power modules and USB hub inserts

pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10

Source

How to check the screw before you buy

VESA holes are threaded inserts in the back cover; if a screw stops early, back it out rather than forcing it, because a bottomed-out screw can crack the panel housing.
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 records span 5–12 mm, which means different positions take different lengths — match each hole to its own screw.
Driver: the source does not name the drive. Standard 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

ISO 14581 Torx countersunk screws look like plain countersunk screws but need the right lobe driver; a Phillips bit will chew the head.
Sonos speakers mix lengths within one unit — M3 for driver housings, M2.5 at the control panel. Keep them sorted during teardown.

Pitch gauge · Screw size finder · Torque guide

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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The same screw also fits

Devices whose records share a thread with LED drivers & furniture electronics, closest length match first.

Dell P1914S also M3 × 6 mm
QualGear QG-KIT-VA-3IN-B Projector Mounting Kit also M3 × 8 mm
Dell S2417DG also M3 × 6 mm
Dell S2421HGF also M3 × 6 mm
Dell P1913S also M3 × 6 mm
TSC MB241/MB341 industrial barcode printer also M3 × 5–8 mm
HP P22 G5 also M3 × 5 mm
Dell UP3017 also M3 × 6 mm

Questions about LED drivers & furniture electronics screws

What size screw does LED drivers & furniture electronics use?: M3 × 5–12 mm for driver boxes, PIR sensors, desk power modules and USB hub inserts.
How long are the screws in LED drivers & furniture electronics?: The records range from 5 to 12 mm depending on the position, so match each screw to its own hole.
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 LED drivers & furniture electronics?: 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.
Where can I buy replacement screws for LED drivers & furniture electronics?: TechSpareWarehouse (our own store) lists M3 x 5mm, M3 x 6mm and M3 x 8mm, which match lengths in the records above.

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