M3 x 6mm screws — what they fit & where to buy

case rear I/O bracket screws (older cases use 6-32)

5-6mm · confirmed · source

secures the graphics card bracket to the case

5-6mm · reported · source

internal PSU assembly (PSU-to-case screws are larger)

5-8mm · reported · source

board mounting holes are ~3.2mm, sized for M3 (unlike the Pi's M2.5)

5-8mm · reported · source

many redesign around M3 standoffs for easier sourcing (the board itself is M2.5)

4-6mm screws with 6-11mm standoffs · reported · source

fan shrouds, X-carriage and small brackets (frame joints are M5 into T-nuts)

6-16mm · confirmed · source

heater block clamp, fan shroud, and headless grub screws

3-4mm grub, 6-10mm shroud · confirmed · source

light-duty attachments on 2020 profile (structural joints use M5)

6-16mm · confirmed · source

microswitch, sensor and cable-chain brackets on extrusion frames

6-10mm · reported · source

the 30.5x30.5mm and 20x20mm stack patterns are M3

6-10mm direct, 25-35mm nylon standoffs · confirmed · source

standard motor mounting bolt pattern for 5in-class quads

5-8mm by arm thickness · confirmed · source

servo horns, ESC mounts and body posts

6-12mm · reported · source

internal cage assembly screws — the tripod-facing ports are 1/4-20, not M3

4-8mm · confirmed · source

3D-printed and third-party adapters secure the mount tab with M3

6-10mm · reported · source

PCB-to-chassis mounting inside rack gear (rail screws are M6 or 10-32)

4-6mm · reported · source

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

5-12mm · reported · source

outer panel screws on the mini-PC

~6-8mm · reported · source

secures the camera plate in a gimbal or cage clamp

6-10mm · reported · source

attaches monitor arms, mic mounts and handles to a cage

6-16mm · reported · source

joins the plastic housing halves

6-12mm · reported · source

holds the handle nut retainer plate on baitcasters

3-10mm · confirmed · source

holds the reel side plates and frame together

6-12mm · reported · source

interior light lens and shelf supports

6-10mm · reported · source

latch mechanism and hinge plate

6-10mm · reported · source

HEPA filter cap and battery cover on stick vacuums

6-10mm · reported · source

front panel and buttons

6-10mm · reported · source

board mounting into enclosures (one hole near USB is oversized)

6-8mm · reported · source

corner mounting holes on common dev boards

6-8mm · reported · source

frame, gantry and toolhead assembly screws

6-40mm by part · reported · source

most printed mounts, toolhead and panel screws

6-30mm · confirmed · source

slide-in nuts for the 6mm slot on 20x20 profile

6-16mm screws · confirmed · source

four tapped holes, 31mm bolt spacing, 4.5mm min depth

6-10mm · confirmed · source

countersunk bolts fixing the small rail to the frame

6-8mm countersunk · reported · source

attaches a toolhead plate to the sliding block

6-8mm · reported · source

secures the device to its mounting plate

6-10mm · reported · source

case assembly screws on router and switch enclosures

6-12mm · reported · source

attaches add-on ears to a desktop switch

6-8mm · reported · source

holds the PCB onto brass or plastic standoffs

6-10mm · reported · source

stompbox lids, jack plates and internal PCB mounting

6-10mm · reported · source

the standard Doepfer-style faceplate screw

6mm · confirmed · source

secures the plate to a camera baseplate

4-6mm · reported · source

Small reel handle and drag knob screws

4-8mm · reported

Motion and contact sensor mounting brackets

6-10mm · reported

Internal lens and bezel retention

4-6mm · reported

Driver and PCB standoffs inside sign boxes

6-10mm · reported

Turret and stage mounting screws

6-12mm · reported · source

Service manual details internal chassis fasteners

6-16mm · reported · source

Stainless screws joining handles and ratchets

4-10mm · reported

Tray rack and instrument holder screws, stainless

6-16mm · reported

Faceplate and knob screws in restoration

4-8mm · reported

Metric replacements used in European restorations

6-12mm · reported · source

Larger chassis screws visible in the teardown

6-10mm · reported · source

Torx/Phillips screws on internal driver mounts

6-10mm · reported · source

Driver mount screws in the woofer replacement guide

6-8mm · confirmed · source

Tweeter assembly screws

6mm · confirmed · source

Protective cover / housing screws

6-8mm · confirmed · source

Power adapter bracket screws

6mm · confirmed · source

Board and antenna mounting screws

6-10mm · reported · source

Shield and board mounting screws

6-10mm · reported · source

Drive-to-chassis mounting screws

5-6mm · reported · source

Chassis and drive tray assembly

6-10mm · reported · source

Case and board assembly screws

6-10mm · reported · source

Arm-to-frame bolts and standoffs on 5-inch race/freestyle frames

6-25mm · reported · source

Motor base screws for 16x16mm or 19x19mm patterns, socket head

6-8mm · reported · source

16x16mm mount hole pattern using M3 bolts

6-8mm · reported · source

M3 for brackets, M5 for T-slot on C-Beam/V-Slot builds

6-16mm · reported · source

BOM lists M3x6/12/16/20/30 SHCS and BHCS throughout

6-30mm · confirmed · source

Official spares kit is predominantly M3 sizes

4-20mm · reported · source

Official mechanical drawing shows M3-class mounting holes

6-10mm · reported · source

Mechanical drawing places M3-class holes

6-10mm · reported · source

Cosmetic front-panel attachment uses M3 or M4

6-10mm · reported · source

Standard Eurorack panel screw into rails is M3

6-10mm · confirmed · source

Panel-mounted jack and pot hardware uses metric M3-class brackets

6-10mm · reported · source

M3 button heads widely used in enclosures and extrusion frames

6-16mm · reported · source

Bracket-to-case attachment commonly M3

6-12mm · reported · source

M3 x 0.5 retaining screw reported for Meade 1.25in 2x Ultima Barlow

4-8mm · reported · source

Double-sided 50-ohm and 75-ohm 12G BNC bulkhead connectors with M3 tapped mounting holes

6-10mm · confirmed · source

0.50mm pitch, head 5.32-5.68mm, 2.5mm hex key

4-30mm · confirmed · source

Head 5.6mm diameter, 1.65mm high

4-30mm · confirmed · source

ISO 14581 covers M1.6-M10 Torx countersunk screws — the profile behind many laptop and device screws

4-20mm · reported · source

M3 machine screws from M3x4 to M3x40 listed by part code in the official Prusa cheatsheet

4-40mm · confirmed · source

secures cage to matte box (flat screws, hand-tightened)

6mm · confirmed · source

Optional security screw location, x2, M3x6 screws included

6mm · confirmed · source

3x6mm cataloged screw part used across multiple Tamiya chassis kits

6mm · confirmed · source

Listing explicitly identifies part as "DIN 7500 M3×6 is a metric" screw stocked as aircraft parts inventory

6mm · reported · source

Installation guide bill of materials lists "2 M3 x 6 PHMS" and "4 M3 x 8 PHMS" as included mounting screws for the barcode scanner adapter bracket

6-8mm · confirmed · source

Product explicitly named 'Screw GB/T9074.4 M3X6 H A2-70' sold as a 2-pack for microplate clamp assemblies

6mm · confirmed · source

Product line explicitly specified with 'M (Coarse) Nominal of Thread: M3' for vacuum/cleanroom/semiconductor fixture use, titanium, lengths 6/8/10mm

6-10mm · confirmed · source

Spec table explicitly lists 'M (Coarse) Nominal of Thread: M3' for chemical-polished cleanroom fastener, lengths 5-16mm

5-16mm · confirmed · source

Commodity fastener explicitly sold as M3 x 6mm; used generically in instrument enclosures and small-device assembly (cross-referenced against the Fisherbrand microplate clamp screw of the identical M3x6 size)

6mm · reported · source

ShunTool states the Eurorack standard screw is M3, used with fixed nut strips and with SynthRacks, GieTec, or TipTop Z rails plus M3 nuts and threaded rails; 6mm M3 screws commonly used

6mm · confirmed · source

Reseller listing explicitly states desktop case screws for Amiga 500/600/1200 are 'M3 x 6mm' stainless steel, used for motherboard and front case mounting.

6mm · confirmed · source

Camperlands sells a 'Pozi Countersunk Screw M3 X 6MM' listed among caravan/tent hardware accessories

6mm · reported · source

Genuine Samsung vacuum screw listed as 'taptite ph + b M3 L10 cblack swrch' (part 6003-000159); Simplicity vacuum motor screw 'M3 X 21' (A733-0300); Nilfisk vacuum screws 'M3 x 20mm' (VF14244) and 'M3 x 6' (VA14006)

L6-L21mm depending on assembly · confirmed · source

M3x6mm Socket Head Screws used repeatedly to secure the drag chain at both ends and to the Y-Left carriage

6mm · confirmed · source

Genuine spare part 'SCREW(M3*6)', part number 602-SX1200-544

6mm · high · source

Mounting bracket screws (x4) for installing enclosure into a 5.25in device bay

6 · confirmed · source

GPU lock countersunk screw securing GPU lock to core

6 · confirmed · source

Safety stop screws: M3 x 6mm socket head cap screws (qty 4)

6 · confirmed · source

Sensor retainer secured with an 'Xgard Bright M3x6 Grub Screw' per the spares list in the installation manual

6mm · confirmed · source

Datasheet explicitly lists 'M3-mounting Sensors' with accessory 'Bolt with hexagonal hole (M3×6)' and a second mounting bracket bolt 'M3×15'; tightening torque spec given as 'M3-mounting Sensors: 0.5 N·m max'

6-15mm · confirmed · source

'The threaded rails or nuts are made to receive either M2.5 or M3 machine screws' — SynthRacks/GieTec rails tapped to M3

6-10mm · confirmed · source

Parts list: 'ITEM 5, QTY 6, M3 x 6 mm CSK Screw Base Panel Screws' and 'ITEM 9, QTY 8, M3x8 Pan Screw Rear Panel Screws'

6-8mm · confirmed · source

WiFi module fixed with machine screw M3*6 button head screws, tightening torque 5 kgf.cm

6 mm · confirmed · source

Internal full rewinder module and lower front panel fastened with screws called out as M3*8L (torque 10.5/7.5 kgf.cm) and separate M4*8L screw for rewinder media guard limiter

4 mm, 6 mm, 8 mm · confirmed · source

Cover, frame and mechanism screws listed as M3x4, M3x6, M3x8

4-8mm · confirmed · source

Parts list machine screws M3*5, M3*6, M3*8

5-8mm · confirmed · source

Scanner-to-bracket attachment screws called out as M3

6-8mm · confirmed · source

Four front mounting holes, M3 x 0.5 tapped 4.5mm deep minimum

4-8mm · confirmed · source

Front mounting holes tapped M3, 3.18mm deep

4-6mm · confirmed · source

M3 x 4 hex socket set screws clamping pulley to motor shaft

3-6mm · confirmed · source

Base panel M3x6 countersunk and rear panel M3x8 pan screws

6-8mm · confirmed · source

M3 is the Eurorack standard rail screw, commonly 6, 8 or 10mm

6-10mm · likely · source

Hardware kit lists M3 x 6 pan head machine screws for adapter assembly

6mm · confirmed · source

Guide: 2x M3 x 6 button head for the cover, 2x M3 x 12 button head for the hotend

6mm and 12mm · confirmed · source

OEM parts page lists hexagon socket pan head M3 x 6 class 8.8 scooter screw

6mm · reported · source

Catalog lists hex standoffs with M3 thread, lengths 6.0-25.0mm

6-25mm · confirmed · source

Mounting guidelines for TO-220/TO-220F/TO-247 packages specify the standard M3 mounting screw and torque

6-10mm typical · reported · source

Hardware list specifies display lock screw M3 x 6

6mm · confirmed · source

FPV motor mounting on 5-inch freestyle/racing quads is predominantly M3 socket-head; length must match arm thickness plus motor base depth so the screw never touches the windings (typically 6-8mm on 4mm arms).

6-8 · likely · source

Official Glock MOS adapter sheet lists M3 for this adapter group

6mm · confirmed · source

M3 x 0.5 x 6mm Torx

6mm · confirmed · source

M3 x 0.5 x 6mm

6mm · confirmed · source

hex socket round head mounting screws (x5)

6mm · confirmed · source

battery cover screw, M3x0.5

6mm · reported · source

ESC cross-recessed internal assembly screw

6mm · confirmed · source

pan head machine screw, M3-0.5

6mm · confirmed · source

screw with washer, ref #56

6mm · confirmed · source

P-Tite housing screw, ref #57

6mm · confirmed · source

Torx screws securing mainboard to FMS housing (x8, small parts kit M8048-64002)

6mm · confirmed · source

screws for mainboard, chassis top cover, cover blind and back sheet (x10)

6mm · confirmed · source

DIN912 socket cap screws supplied with plate (x2)

6mm · confirmed · source

safety stop socket head cap screws, qty 2

6mm · confirmed · source

DIN 912 socket cap screws PN 5902010.001 / 5902007.001

10mm and 6mm · confirmed · source

Mounting bracket attachment screw (user-supplied), pan head

6mm · confirmed · source

Four DIN 963 screws attach the mounting clips

6mm · confirmed · source

Service parts list: M3 x 6, 8, 12 and 20mm black screws plus M3 x 6 countersunk

6-20mm · confirmed · source

M3 x 3mm and M3 x 10mm socket dome screws for heater block / nozzle assembly

3-10mm · confirmed · source

M3 x 6mm safety-stop / anti-rotation screws (x2)

6mm · confirmed · source

M3 x 8mm and M3 x 6mm ISO 10642 countersunk screws joining X/Y/Z frames into M3x3 Helicoil inserts; four M3 PC/104 stacking rods

5-8mm · confirmed · source

M3 x 4mm and M3 x 8mm hex cap screws in the frame hardware bag

4-8mm · confirmed · source

M3 x 6mm handle screw and M3 x 6mm burr carrier plate screws

6mm · confirmed · source

M3 x 6mm Taptite outer shield screws (x6) and M3 x 8mm Taptite interconnect board screws (x2)

6-8mm · confirmed · source

Cup S M3 x 6 Taptite for scanner motor ground and four pan B M3 x 8 Taptite for the scanner motor bracket

6-8mm · confirmed · source

Pan-head Phillips M3 x 5mm and M3 x 8mm chassis screws listed as cross-model stock hardware

5-8mm · confirmed · source

Washer-head Phillips M3 x 4, 6, 8 and 10mm chassis screws

4-10mm · confirmed · source

Star-washer Phillips M3 x 6, 8 and 10mm screws

6-10mm · confirmed · source

Self-tapping Phillips M3 x 4, 6 and 8mm screws

4-8mm · confirmed · source

Trus-head Phillips M3 x 4, 8, 10 and 25mm screws, some with star washer

4-25mm · confirmed · source

M3 x 6mm tapping screw, M3 x 8mm screw with washer and M3 x 6mm RS-type chassis screw

6-8mm · confirmed · source

Maintenance manual specifies M3 x 6mm screws for internal sensor/board fixation during adjustment procedures

M3x6 · confirmed · source

COSEL's official terminal block torque FAQ explicitly lists M3 screw diameter with recommended torque 0.36-0.6 N·m for terminal block connections used across their industrial power supplies

M3x6-M3x8 · confirmed · source

Guide explicitly specifies 'M3 Screw — 0.5 Nm... IEC 60999-1 Standard' used in 5.0mm/5.08mm pitch terminal blocks common in control panels (bakery mixer, car wash, EV kiosk control boards)

M3x6 · confirmed · source

Same service manual explicitly lists 'M3x12,8.8' and 'M3x6' and 'M3x12' fasteners in the balance's internal assembly diagrams

M3x6, M3x12 · confirmed · source

2x M3x6mm screws in the official bill of materials

6mm · confirmed · source

Self-tapping PCB boss screw range includes M3 for broadcast and AV equipment enclosures

6mm and up · confirmed · source

Exploded parts schematic lists handle screw M3 x 6mm (part IU3X6BFH)

6 · confirmed · source

interface and power board to chassis (7)

6mm · confirmed · Source: Dell P2725DE Teardown Instruction Rev A00

quick accessory port to middle frame (4)

6mm · confirmed · Source: Dell U2725QE Teardown Instruction

mylar sheet retention to power boards

6mm · confirmed · Source: Dell U2725QE Teardown Instruction

main board and power board mounting (6)

6mm · confirmed · Source: Dell U2725QE Teardown Instruction

rear cover screws 1-5

6mm · confirmed · Source: Dell S2425H Simplified Service Manual

interface and power board pan-head screws (10)

6mm · confirmed · Source: HP E24d/E27d G4 Maintenance and Service Guide

gantry blocks, panel mounts, bed mounts, electronics bay

6, 8, 10, 12, 16, 20, 30mm · confirmed · Source: VoronDesign Voron-2 BOM (GitHub issue #256)

mainboard (SKR/Octopus) and PSU mounting to plate

6-10mm · confirmed · Source: VoronDesign Voron-2 official BOM

SMT PCB standoff for mounting boards to housings or other boards

0.5-16mm standoff height · confirmed · Source: we-online.com WA-SMSI product page

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

Mount plate to camera body screws (DIN 912 socket head)

6 mm · confirmed · source

T-slot fastener bolts for 10x10 and 15x15 mm beam

6 mm and longer · confirmed · source

mounting bracket tapped holes (3-M3, 6mm depth)

tapped depth 6mm · confirmed · source

Pan head machine screws used for case enclosure and chassis mounting

6 mm · confirmed · source

4x M3 mounting screws plus 2x M3 safety-stop screws

6-8mm · confirmed · source

2x M3 safety-stop screws (main mounting screw is imperial 1/4-20)

6mm · confirmed · source

2x M3 safety-stop screws (primary mount screw is imperial)

6mm · confirmed · source

M3 module-mounting screws into sliding rail nuts (most common Eurorack size)

6, 8 or 10mm · reported · source

bottom case hex screws (2.5mm hex key)

6mm · confirmed · source

Parts list: Screw, tapping M3 by 6 mm

6mm · confirmed · source

Parts list: Screw, pan head M3 by 6 mm (to hold plastic to plastic)

6mm · confirmed · source

Parts list: Screw, w/washer M3 by 6 mm

6mm · confirmed · source

Parts list item 13: Screw, M3 by 6, RS, part XA9-1275-000CN

6mm · confirmed · source

Manufacturer mounting instructions explicitly specify M3 x 6mm screws for these compact reflex-sight footprints, also used on archery reflex-sight mounts

6mm · confirmed · source

Mount manual: five M3 x 6 Torx T10 screws attach the sight to the mount.

6 · confirmed · source

Standard Eurorack module mounting screws into the rails, M3 x 6 mm or 8 mm with a washer

6-8 mm · confirmed · source

Side screws M3 x 3.3 and top cover screws M3 x 6

3.3 mm and 6 mm · confirmed · source

Kit hardware: "SCREW, MACHINE, M3X0.5X6MM PAN HEAD, TORX T10"

6 mm · confirmed · source

Keychron support: "The Q1 uses M3.0*6 hex screws" for the case

6 mm · confirmed · source

SilverStone CA04 kit spec: "M.2 cylindrical screw nut (thick) (M3 x 2.5 + 6.1mm)" — the standoff the SSD screw threads into

2.5 mm thread + 6.1 mm body · confirmed · source

OEM screw pack: 4x M3x12 shoulder bolts (arms), 16x M3x10 button head, 4x M3x8 cap, 1x M3x6 cap

6-12 mm · confirmed · source

TBS screw set: M3x8 x16 (top/bottom plates), M3x14 x4 and M3x16 x4 (arms to centre plates), M3x6 x16 (motors), M3x30 standoffs x8

6-30 mm · confirmed · source

Saddle height adjustment screws, M3 hex head, 1.5 mm key

5-10 mm · confirmed · source

Installation manual specifies M3 screws for the bracket assembly

6 mm typical · confirmed · source

camera mount bracket screws to interactive display

6mm · confirmed · source

pan-head screw for VESA cover

6mm · confirmed · source

button head and pan-head screws for adapter plate

6mm · confirmed · source

Same Elo assembly manual lists 'P400 Screws Qty.2 Screw, M3x6, Pan Head, Cross Recess, Black'

M3x6 mm · confirmed — Elo Touch Solutions UM600683 · source

Parts listing: 'Diebold Nixdorf ESC Cross Screw M3*4*6 ATM Parts 49221808000F' — screw described explicitly as M3

M3x4x6 mm (head dia x length variant) · confirmed — Diebold Nixdorf OEM parts listing · source

PEM FH-M3-6ZI datasheet: 'Thread Code: M3, Thread Size: M3 x 0.5, Thread Specification: 6g, ASME B1.13M'

M3 x 0.5, 6 mm stud · confirmed — PEM official product finder spec sheet · source

Official quick guide lists 'M3X6 Torx head screw' for the back plate assembly

6mm · confirmed · source