M2 x 8mm screws — what they fit & where to buy

37 sourced applications in this database list a M2 screw at 8 mm (or a length range that includes it), most of them in drones, rc & gimbals. A M2 x 8mm screw has a 0.4 mm coarse pitch, so a fully engaged 8 mm shank gives about 20 thread turns (4× the diameter).

Buy M2 x 8mm screws

TechSpareWarehouse stocks 12 M2 x 8mm listings (black, Phillips flat/low-profile head), most named for the exact device they fit.

On eBay: M2x8mm FPV Racing Drone Frame & Electronics Screws Low Profile 8-Pack

Search tip: stores list these as “M2 x 8mm screw”. Check the thread and length against your old screw before ordering.

Disclosure: TechSpareWarehouse is our own parts store — we earn from these sales. As an Amazon Associate we also earn from qualifying purchases. Fitment data on this site is not changed by what we stock.

M2 x 8mm specs

Thread
M2 × 0.4
Length
8 mm
Thread turns
≈ 20
Length ÷ diameter
4×
Tap drill
1.6 mm
Clearance (close)
2.2 mm
Phillips
PH0
Torx / hex
T6 / 1.5 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 x 6 mm (70 applications).Going 0.5 mm too long can bottom out in a blind boss or touch a board underneath.

Where M2 x 8mm screws are used

  • Drones, RC & Gimbals10
  • Gaming & Peripherals5
  • Displays, TVs & Mounts4
  • Other Equipment3
  • Laptops & PCs3
  • Cameras & Optics3
  • 3D Printing, CNC & Robotics2
  • Standards & References2

More M2 x 8mm listings named for specific devices

Devices that use M2 x 8mm screws (37)

Xbox wireless controllers

shell screws are Torx Security TR8, M2-ish gauge but proprietary drive

6-8mm · reported · source

FPV freestyle frames (Djinn F25 SP)

20x20 flight-controller stack mounting and 9x9 motor pattern

4-12mm with standoffs · confirmed · source

3D printer electronics

mainboard, display, fan and sensor bracket screws

4-10mm · reported · source

E-bike displays & controller housings

display bezel and controller box screws, not standardised across brands

4-8mm · reported · source

Surgical instrument handle

holds interchangeable tips onto instrument handles

4-8mm · reported · source

Actobotics servo horn / hub

fixes a servo horn or hub to the bore

6-10mm · reported · source

Keyboard bottom case

holds the bottom case and plate assembly together

6-8mm · reported · source

RC model servo mounting

Servo horns and servo trays on model aircraft

6-10mm · reported

Valve Index controller (Knuckles)

Strap and shell fasteners

4-8mm · reported · source

Sony PSVR headset

Shell assembly screws

5-8mm · reported · source

Xbox One wireless controller

Internal chassis screws, TR8 security Torx head

6-8mm · reported · source

Xbox Elite Series 2 controller

Shell, board and trigger assembly screws

4-10mm · reported · source

PS5 DualSense controller

Long shell screws plus short internal screws

4-14mm · reported · source

Lab microscope adjustment screws

Fine adjustment and stage clamp screws

4-10mm · reported · source

Vintage radio chassis and dial screws

Chassis, dial and trim screws in restoration work

4-10mm · reported

Arcade marquee retainers

Trim and marquee retention screws

6-10mm · reported

PlayStation 5 fan and bracket screws

Torx machine screws around the fan and internal brackets

4-8mm · reported · source

Amazon Echo Dot internals

Driver and board mounting screws

5-10mm · reported · source

E-scooter dashboard display

Small self-tapping screws in the dash housing

5-8mm · reported · source

FPV flight controller stack 20x20mm

Smaller stacks use M2 anti-vibration grommet screws

7-16mm · reported · source

E-flite Gee Bee R-2 wing connector

Flathead self-tapping screws for the hands-free wing connector

8mm · confirmed · source

E-flite Gee Bee R-2 wing connector screws

Two M2 x 8mm flat-head self-tapping screws secure the hands-free wing connector

8mm · confirmed · source

DIN 912 socket-head cap screw

0.40mm pitch, head 3.62-3.98mm, 1.5mm hex key

3-16mm · confirmed · source

DIN 965 / ISO 7046 countersunk Phillips screw

Head 3.8mm diameter, 1.2mm high, PH1/PZ1 drive

3-16mm · confirmed · source

Prusa i3 MK3S/MK4 (official fastener cheatsheet)

M2x8 special screw listed in Prusa's official fastener identification cheatsheet

8mm · confirmed · source

RED Digital Cinema Matte Box Cage & Side Flags Kit

attaches cage couplers between top cage and side cages

8mm · confirmed · source

Sonos-class portable speaker driver housings

General micro-fastener class used for driver/housing screws in this device class per screw manufacturer catalog (SNSS precision-instrument screw line covers M1–M2.5)

2-12mm · reported · source

Keebio custom keyboard builds (screws/standoffs)

Keeb.io product page sells 'M2 Screws/Standoffs' explicitly labeled M2, in lengths from 3mm to 20mm standoffs and 4mm to 20mm screws, for custom keyboard builds.

3-20mm standoffs, 4-20mm screws · confirmed · source

Turntable headshell/cartridge mounting screws

Headshell cartridge screws commonly supplied in M2 as well as M2.5, with a range of lengths

4-20mm · reported · source

Precision instrument hex socket head screws

NBK SNSS miniature screw catalog explicitly lists M2 as a selectable coarse thread nominal alongside M1, M1.4, M1.6, M2.5

2-12mm · confirmed · source

Axial SCX10 III RC crawler chassis

Stock hardware set includes M2x6, M2x8 and M2x14 socket cap screws

6-14mm · confirmed · source

Tamiya 3-piece front wheels

M2 wheel screws (10 pack) spare part

8mm · confirmed · source

ALware Quad Flyer Spider 500 quadcopter kit

M2 x 6mm and M2 x 8mm hex cap screws for frame and arm assembly

6-8mm · confirmed · source

Kenwood TK-8302 / TK-2302 / TK-2306 transceivers

M2 x 8mm and M2 x 5mm screws in the exploded-view parts lists

5-8mm · confirmed · source

Olympus BH-2 / MIC-D microscope frame

Parts codes 3PUK2X8SA, 3PUK2X7SA, 3PUK2X10SA, 3PUTB2X6SA indicate M2 screws at 6-10mm

6mm, 7mm, 8mm, 10mm · likely · source

Partizan / Pilotix PT10 V3 FPV frame

camera and small hardware screws

4mm and 8mm · confirmed · source

Lenovo ThinkPad P16 Gen 2

Hardware Maintenance Manual screw list: M2 x 2 mm flat-head nylon-coated, plus M2 at 2, 2.5, 3, 3.2, 3.5, 8 and 11 mm.

2-11 · confirmed · source