Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors screw size
M2.5 · 3 mm long
The screws used on Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors are M2.5, 3 mm long.
The record covers ISO 7045 M2.5 x 3mm Pozi pan machine screw is documented by fastener supplier as 'typically found on consumer electronics ... where high torque fasteners are not necessary,' matching common kitchen-scale battery-door fastener sizing.
Head and drive, as the source states them: pan head and Pozidriv drive.
This entry is marked unverified and comes from westfieldfasteners.co.uk.
An M2.5 screw is 2.5 mm in diameter with a 0.45 mm pitch, tapped with a 2.05 mm drill; 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.
Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors 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 | 3 mm | 0.45 mm | Pan head | Pozidriv | ISO 7045 M2.5 x 3mm Pozi pan machine screw is documented by fastener supplier as 'typically found on consumer electronics ... where high torque fasteners are not necessary,' matching common kitchen-scale battery-door fastener sizing | Unverified |
Fitment records and sources
ISO 7045 M2.5 x 3mm Pozi pan machine screw is documented by fastener supplier as 'typically found on consumer electronics ... where high torque fasteners are not necessary,' matching common kitchen-scale battery-door fastener sizing
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- Board standoffs and enclosure bosses set the usable length: the screw should clamp the board without bottoming in the standoff.
- 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: for pan head screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
- The record states 3 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- Driver: the source names a Pozidriv drive. For comparison, standard M2.5 heads take PH1 (Phillips) or T8 (Torx), or a 2 mm hex key.
- 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
- In dental implantology, M2.5 appears as an explicit, standardized internal screw thread for implant abutment/prosthetic screw retrieval and repair taps (confirmed via Nobel Biocare), distinct from generic 'dental screw' marketing claims that lack thread specification.
- Dell/HP/Lenovo manuals often list screws only by torque or head shape, so community teardowns are needed for diameter.
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.
More in Electronics, Racks & Enclosures
The same screw also fits
Devices whose records share a thread with Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors, closest length match first.
- HP EliteBook 840 G2 / 740 G2 / ZBook 14 G2 also M2.5 × 3 mm
- ASUS ZenBook / VivoBook / TUF also M2.5 × 3 mm
- HP Compaq nx7010 also M2.5 × 3 mm
- HP EliteBook 8540p also M2.5 × 3 mm
- Camera lens mount flange also M2.5 × 3 mm
- HP ENVY x360 m6-w1xx also M2.5 × 3 mm
- Lenovo ThinkPad X13 Yoga Gen 4 also M2.5 × 3 mm
- HP Compaq 6530b also M2.5 × 3 mm
Questions about Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors screws
- What size screw does Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors use?
- M2.5 × 3 mm for ISO 7045 M2.5 x 3mm Pozi pan machine screw is documented by fastener supplier as 'typically found on consumer electronics ... where high torque fasteners are not necessary,' matching common kitchen-scale battery-door fastener sizing.
- How long are the screws in Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors?
- The record gives 3 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 Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors?
- The source lists a Pozidriv drive. Standard M2.5 heads otherwise take PH1 (Phillips) or T8 (Torx), or 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 Generic miniature enclosure screw (ISO 7045 pattern) applicable to compact digital scale/instrument battery doors?
- TechSpareWarehouse (our own store) lists M2.5 x 3mm, which matches the length in the records above.