M2.5 x 8mm screws — what they fit & where to buy
868 sourced applications in this database list a M2.5 screw at 8 mm (or a length range that includes it), most of them in laptops & pcs. A M2.5 x 8mm screw has a 0.45 mm coarse pitch, so a fully engaged 8 mm shank gives about 17.8 thread turns (3.2× the 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.
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M2.5 x 8mm Screws for Retevis RT27 Radio Belt Clip 10-Pack Black Phillips
$4.99 -
M2.5 x 8mm Screws for Raspberry Pi 5 Case and PoE HAT 10-Pack Black
$4.99 -
M2.5 x 8mm Phillips Wafer Head Screws for Raspberry Pi 5 Case Black 10-Pack
$4.99 -
M2.5 x 8mm Phillips Wafer Head Screw for Turntable Cartridge Headshell Mount - Pack of 50 Black
$5.49 -
25x M2.5 x 8mm Phillips Screws for Acer Nitro 5 LCD Hinge Assembly
$5.99
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M2.5 x 8mm Black Wafer Head Screws for Lenovo ThinkPad X131e Chromebook Palmrest Replacement – 10-Pack Black
$4.99Choose size -
ASUS ROG Strix G15 G513R Replacement Screws Sold Individually – M1.6 x 3mm, M2 x 2.5mm, M2 x 3mm, M2.5 x 6mm Phillips Wafer Head, Black
$0.10Choose size -
ASUS ROG Strix G17 G713 Replacement Screws Sold Individually – M1.6 x 3mm, M2 x 2.5mm, M2 x 3mm, M2.5 x 6mm Phillips Wafer Head, Black
$0.10Choose size
M2.5 x 8mm specs
- Thread
- M2.5 × 0.45
- Length
- 8 mm
- Thread turns
- ≈ 17.8
- Length ÷ diameter
- 3.2×
- Tap drill
- 2.05 mm
- Clearance (close)
- 2.7 mm
- Phillips
- PH1
- Torx / hex
- T8 / 2 mm
Length is measured from under the head for pan, wafer and button heads, and overall for flat (countersunk) heads. Neighbouring sizes we track: M2.5 x 6 mm (1992 applications).Going 0.5 mm too long can bottom out in a blind boss or touch a board underneath.
Where M2.5 x 8mm screws are used
- Laptops & PCs810
- Drones, RC & Gimbals10
- Vehicles, Marine & Mobility9
- 3D Printing, CNC & Robotics8
- Displays, TVs & Mounts7
- Electronics, Racks & Enclosures7
- Cameras & Optics5
- Standards & References3
More M2.5 x 8mm listings named for specific devices
- 25x M2.5 x 8mm Phillips Screws for Acer Nitro 5 LCD Hinge Assembly
- M2.5 x 8mm Phillips Flat Head Carbon Steel Machine Screws for Raspberry Pi 5 Case (Black)
Devices that use M2.5 x 8mm screws (868)
Phillips flat-head case assembly screws sold specifically for Pi 5 cases
8mm · confirmed · source
board standoff / distancer mounting screws
5-8mm · reported · source
small bracket and accessory mount points (baseplates are mostly M3)
4-8mm · reported · source
captive Torx screws holding the bottom panel on
~8-10mm captive · reported · source
the safety screw locking a plate into a ball head clamp
8-15mm · reported · source
the nosepiece / objective retaining collar on lab microscopes
4-8mm · reported · source
locks the handle nut plate on right-hand conversions
5-8mm · reported · source
the four corner holes used by cases and standoffs
5-11mm standoffs · confirmed · source
display frame and Pi bracket mounting
6-10mm · reported · source
Needle plate and presser foot screws on domestic machines
5-10mm · reported
Pendulum bracket and movement mount screws in European clocks
5-10mm · reported
Official HAT spec uses M2.5 brass standoffs, 11mm typical
4-11mm · confirmed · source
CM4 carriers reuse the Pi-standard M2.5 standoff spacing
5-11mm · reported · source
Jetson carrier mechanical specs document M2.5 mounting holes
5-8mm · reported · source
M2.5 standoffs common across the Raspberry Pi ecosystem
5-15mm · confirmed · source
Third-party camera mounts use M2.5/M2 board holes
4-8mm · reported · source
SFF PCs use M2.5 or M3 for internal board and drive mounting
4-8mm · reported · source
M2.5-0.45 x 8mm screw retains the servo horn/arm
8mm · confirmed · source
Head 4.7mm diameter, 1.5mm high
4-20mm · confirmed · source
Button head chassis/link screw, shorter length variant
8mm · confirmed · source
SynthRacks sells M2.5 machine screws used to fix modules to Vector rails or Schroff rails with M2.5 nuts and threaded rails; 8mm length recommended when case uses washers
8mm (also shorter lengths available) · confirmed · source
DIN 915 M2.5x8mm dog-point socket grub screws are a listed stock size used in cine follow-focus set-screw applications (confirmed as a standard grub screw size stocked for this class of gear, not a specific ARRI part page)
M2.5x8mm · reported · source
"Screw M2.5 x 8 Socket Head" listed in GE HealthCare's official service parts store under Maternal Infant Care, manufacturer Datex-Ohmeda
8mm · confirmed · source
Official mounting hole template site states board mounting holes are 2.9mm to accept M2.5 screws/bolts on the standard 85x56mm Pi footprint.
Typically 6-16mm depending on standoff/case · confirmed · source
Winford Engineering DIN-rail mounting plate product page states the plate uses M2.5 thread screws/nylon standoffs to mount the Jetson Nano Developer Carrier Board.
6-10mm standoffs · confirmed · source
M2.5 nominal thread offered in NBK's SSCZS miniature captive-screw line for precision instrument assemblies
4-10mm · confirmed · source
Cartridge Mounting Screw Kit: 'Nominal size (metric): M2.5, Thread pitch: 0.45, Length: 3, 4, 5, 6, 8 and 10 mm'
3-10mm · confirmed · source
'2 x M2.5x3 mm Stainless Steel Screws. 2 x M2.5x6 mm Stainless Steel Screws. 2 x M2.5x8 mm...' cartridge/tonearm mounting fixings
3-8mm · confirmed · source
'The threaded rails or nuts are made to receive either M2.5 or M3 machine screws... You will need M2.5 x 6mm to fix the modules or M2.5 x 8mm if a washer is used'
6-8mm · confirmed · source
Manual lists M2.5 x 7mm and M2.5 x 9mm black wafer head screws
7-9mm · confirmed · source
M2.5x3 / x6 / x8 countersunk and M2.5x10 / x16 / x18 socket cap in the stock kit
3-18mm · confirmed · source
Dragon hotend variant requires M2.5 x 8mm screws instead of the stock M3
8mm · reported · source
phono cartridge/headshell mounting, pitch 0.45
3-10mm · confirmed · source
turntable headshell cartridge hardware
6/8/10/12/15mm · confirmed · source
M2.5 12mm hex standoffs plus M2.5 10mm screws fastening HAT to Pi
6-12mm · confirmed · source
M2.5 x 4mm solar panel brackets, M2.5 x 6mm sun sensor mount, M2.5 x 8mm secondary structure to X frames
4-8mm · confirmed · source
Chassis screws in M2.5 x 7.0, 9.2, 24.45 and 30.1mm lengths
7-30.1mm · confirmed · source
M2.5 x 8mm screws for the SIM tray access-port cover
8mm · confirmed · source
Product spec explicitly lists 'Screw type: M2.5 non-magnetic hardware' for mounting nearly any phono cartridge to headshell
M2.5x3, M2.5x6, M2.5x8 · confirmed · source
Product titled 'Oyaide M2.5 phono cartridge screw set w/carbon graphite nylon washer', contains 6/8/10mm lengths, explicit M2.5 thread
M2.5x6, M2.5x8, M2.5x10 · confirmed · source
8x M2.5x8mm screws secure the stepper motors
8mm · confirmed · source
M2.5x8mm stainless panel screws and nuts sold for D-series audio rack and server panels
8mm · likely · source
Replacement servo horn screw specified M2.5-0.45 x 8mm, fits HiTec and Futaba servos
8 · confirmed · source
PCB-to-mount standoff screws
5, 8mm · reported · Source: Voron StealthBurner Assembly Manual toolhead PCB section
PCB-to-enclosure standoff stud
5-70mm · confirmed · Source: we-online.com spacer studs page
plastic PCB standoff stud
5-65mm · confirmed · Source: we-online.com spacer studs page
socket head enclosure/board screw (official service parts catalog)
8mm · confirmed · source
Socket Head Cap Screw (Item No. 6600-0715-403) used in infant monitors and warmers
8 mm · confirmed · source
Cartridge-to-headshell mounting screws, M2.5 x 0.45
3-10 mm · confirmed · source
I/O board (qty 2, silver, Phillips)
8 mm · confirmed · source
Unspecified (qty 2, silver, Phillips)
8 mm · confirmed · source