M1.6 screws — what they fit
131 confirmed applications, sourced from service manuals, teardowns and manufacturer catalogs. Below: exact dimensions, the head standards M1.6 is made in, supplier part-number patterns, and the full fitment list.
Dimensions & drivers
- Coarse pitch
- 0.35 mm
- Tap drill
- 1.25 mm
- Clearance (close)
- 1.7 mm
- Clearance (normal)
- 1.8 mm
- Hex key
- 1.5 mm
- Torx
- T4–T5
- Phillips
- PH00
Head styles & standards cross-reference
- Socket cap (cylindrical head)ISO 4762 / DIN 912M1.6 socket cap, the default engineering hex-drive screw
- Low-head socket capDIN 7984 / ISO 7380-style low profileReduced head height — the usual choice where a standard cap head would foul
- Button headISO 7380-1Domed low head, common on 3D printers, cages and brackets
- Countersunk (flat) socketISO 10642 / DIN 799190° head, sits flush in a chamfered hole
- Pan head PhillipsISO 7045 / DIN 7985 (JIS B 1111 in Japanese gear)Most consumer-electronics service screws are this family
- Countersunk PhillipsISO 7046 / DIN 965Flush pan-equivalent for plastics and covers
- Pan / countersunk TorxISO 14583 / ISO 14581Used where higher torque or tamper resistance is needed
Supplier part numbers
Fastener suppliers build codes from style + size + length + material rather than a single universal number. These are the patterns to search with.
- McMaster-Carr91290A### (alloy socket cap), 92095A### (flat head), 92005A### (pan Phillips)Catalog families for metric M1.6 — the trailing digits pick the exact length
- AccuSSC-M1.6-6-A2 (socket cap), SPP-M1.6-6-A2 (pan Phillips)Accu part codes are built as style-thread-length-material
- Bossard / WürthISO 4762 M1.6x6 A2-70European distributors order by standard + size + material grade, not a fixed SKU
- RS / Farnell / Digi-Key"M1.6 x 6mm" + head style + material in the parametric filterStock codes differ per region — search by the standard instead
Buy M1.6 screws
Affiliate links — they cost you nothing extra and keep this database free.
- M1.6 screw assortment kitBoxed kit with several lengths — the cheapest way to cover one thread size
- M1.6 socket cap screwsISO 4762 / DIN 912 hex-drive, the engineering default
- M1.6 low profile / button headFor clearance-limited repairs and thin covers
- M1.6 standoffs & spacersPCB and board-mount hardware in the same thread
- M1.6 tap & drillFor cutting or chasing a damaged thread
- Precision driver setSmall threads need a properly fitting bit or you cam out and round the head
- Buy on AmazonKits and single sizes, with reviews naming real devices
- Buy on eBayOEM screw sets and repair-parts sellers
Watch out for
- M1.6 is the most common laptop-internal micro screw after M2 — Dell XPS keyboards specifically call out M1.6 x 1.5mm, and generic M2 substitutes strip the bracket.
- BETAFPV sells the same motor mount in M1.4x3 and M1.6x4 — match the motor's tapped hole or you cross-thread it.
- Heavier metal sunglass hinges use M1.6 while acetate frames use M1.4 or M1.2; you cannot tell without calipers.
- M1.4 and M1.6 differ by 0.2mm — an assortment kit for test-fitting beats guessing from teardown photos.
- Consoles like PS5, Xbox and Switch mostly use Torx, Torx Security or tri-point Y00 heads rather than plain metric hex — the driver matters as much as the thread (https://www.ifixit.com/Wiki/Nintendo_Switch_Screwdriver)
- Steam Deck backplate screws are M1.6, not M2 as commonly assumed — check the iFixit Screw ID guide before ordering.
- Apple's own part naming mixes thread (M1.6) with head diameter (H3.0/H3.2) — read the full part description carefully to avoid conflating head size with thread size.
- 'M1.6 Phillips screw' complaints on forums (e.g. MacBook Air trackpad) describe diameter by eye/caliper rather than an official spec — these are useful corroboration but not primary confirmation.
- M1.6 is far more common as a generic miniature machine-screw/set-screw size (electronics enclosures, precision instruments) than as a device-specific fitment; require a device-specific product page, not just a generic hardware size chart, before treating a hit as an 'application'.
- Steam Deck (LCD) mixes M1.6 and M2 screws with near-identical heads at 3, 3.5, 4 and 4.5 mm — swapping them cross-threads the plastic. Match by the iFixit Screw ID guide.
- Headphone hinge screw sizes are usually quoted from screwdriver bit size, not an actual thread spec - measure before buying.
Everything that uses M1.6 screws (131)
keyboard bracket / palmrest retention screws (Dell forum confirmed M1.6 x 1.5)
1.5mm · confirmed
internal chassis screws listed in the official service-manual screw list
1.5-3mm · confirmed
smaller than the usual M2 standard on some XPS-class ultrabooks
1.5-2mm · reported
tiny screws on internal daughterboards (the case itself is glued)
~2-3mm · reported
thick acetate and rimless frame hinges, per ISO 11381
3-5mm · confirmed
holds the specimen stage clips or condenser assembly
3-6mm · reported
Listed as an M1.6 abutment-level fixation screw
standard abutment · confirmed
Outer four backplate screws M1.6 x 9mm, inner four M1.6 x 5mm
5-9mm · confirmed
M1.6x4mm motor fixing screws for whoop-class motors
4mm · confirmed
M1.6 x 6mm silver wafer-head screw listed in the official screw kit
6mm · confirmed
Head 3.0mm diameter, 0.96mm high — the countersunk profile for micro fasteners
2-10mm · confirmed
iFixit screw ID guide Type 1: plastic thread-forming, 1.6mm diameter, 0.64mm pitch
9mm · confirmed
Type 2: machine screw, 1.6mm diameter, 0.35mm pitch
5mm · confirmed
1.6mm diameter, 0.53mm pitch plastic thread-forming screw
4.5mm · confirmed
1.6mm diameter, 0.53mm pitch plastic thread-forming screw
4mm · confirmed
Official fastener kit lists 5x M1.6 x 1.5mm T5-head fasteners
1.5mm · confirmed
Official Framework fastener guide covers M1.6 screws for thin bezel/hinge attachment
1.5-3mm · confirmed
Lower-case screws in the M1.6 class, supplied in two lengths
2.3-3.1mm · reported
Official iFixit-measured screw ID guide lists multiple M1.6 fastener types used throughout the Steam Deck: Type 1 M1.6x9 plastic thread-forming, Type 2 M1.6x5 machine screw, Type 4 M1.6x4.5 plastic thread-forming, Type 5 M1.6x3 machine screw, Type 7 M1.6x4 plastic thread-forming
3mm, 4mm, 4.5mm, 5mm, 9mm · confirmed
Grey screw M1.6 thread, 1.5mm length, 5.5mm diameter T5 head, used for internal panel fasteners per official Framework fastener guide
1.5mm · confirmed
Listing explicitly gives motor fixing screw sizes 'M1.4-3, M1.6-4' (M1.6 x 4mm) for BETAFPV Meteor/Air/Cetus brushless whoop motors
M1.6x4 · reported
DIN 7985A A2 Phillips pan-head machine screw bundle explicitly sized M1.0, M1.2, M1.6, sold for 'electronics, eyeglasses, models, or delicate instruments'
assorted · reported
M1.6 nominal thread offered within NBK SSCZS miniature captive screw range for precision-instrument assemblies
4-10mm · confirmed
Customized M1.6 stainless steel small mini torx electronics screw for watch
not stated · confirmed
M12x0.5 lens holder with 20mm hole spacing is compatible with M1.6 mounting screws
not stated · confirmed
ReelFast microPEM SMTSO-M1.6-1ET surface mount standoff, thread M1.6 x 0.35, for compact electronic assemblies
not stated · confirmed
PEM MSOFS-M1.6-2 self-clinching microPEM flaring standoff, M1.6 thread, panels as thin as 0.2mm
2 · confirmed
Apple official screw chart lists part 922-9655 as 'Screw, Torx T5, M1.6 x 2.4, H3.0' used for battery front corners
2.4mm · confirmed
Apple official screw chart lists part 922-9656 as 'Screw, Torx T5, M1.6 x 3.3, H3.2' for logic board and I/O board
3.3mm · confirmed
Apple official screw chart lists part 922-9657 as 'Screw, Torx T5, M1.6 x 4.1, H3.2' for fan attachment under I/O cable
4.1mm · confirmed
Genuine Samsung part explicitly described as 'tapping,ch,+,delta pt,M1.6,L4.5,ni' (M1.6 thread, 4.5mm length, nickel)
4.5mm · confirmed
Dell laptop screws for LCD/chassis reported to range from M1.6 x 2mm to M3 x 6mm depending on location
2mm+ · reported
NBK catalog SNSS miniature hex socket head cap screw series explicitly offers M1.6 nominal thread with selectable lengths 2-12mm
2-12mm · confirmed
ISO 11381:2016 specifies M1.6 x 0.35 as one of the standard ophthalmic screw thread sizes for spectacle frames
2-5 mm (standard range) · confirmed
Registered medical-device listing: 'Medical Device SCREW M1.6 FOR DIGITAL ANALOG' from Prodent Italia, used in prosthetic dentistry accessories
not specified · confirmed
M1.6 x 3.0mm T5, 3.0mm head
3.0mm · confirmed
M1.6 x 0.35 is a standard eyewear frame thread
varies by frame · confirmed
slotted rim screw holding lens in frame, 2.0mm head
5.2mm · confirmed
M1.6 x 0.35 pan head screws in 3mm and 5mm lengths on the rear shell; torque 8-10 cN.m
3mm / 5mm / 9mm · likely
M1.6 x 1.5mm T5 screws, 5.5mm head diameter
1.5mm · confirmed
M1.6 x 4mm and M1.6 x 6mm socket cap screws for electron-microscope stage inserts
4-6mm · confirmed
M1.6 x 3mm and M1.6 x 5mm screws listed in the structure fastener table
3-5mm · confirmed
M1.6 PEEK micro pan head screws, 1.5-6mm lengths, for precision instrument and sensor assembly where metal screws are unsuitable
1.5-6mm · confirmed
Razer support specifies M1.6 x 2.1mm (D4.3 head) for the top M.2 SSD slot
2.1mm · confirmed
1000-piece eyeglass/electronics screw assortment explicitly lists M1, M1.2, M1.4, M1.6 as the metric sizes covering glasses and small wearable hinges
M1.6 · likely
M1.6C replacement socket cap screw set, M1.6x4mm and M1.6x6mm stainless
4mm, 6mm · likely
Air Unit body mounts to 25.5x25.5mm frame pattern with M1.6 screws; kits ship 5 lengths
various (kit of 5 lengths) · confirmed
Panhead (JCIS) screw for Knob Hub and L/R brake knob assembly
3 mm · confirmed
Laboratory screw for BL Abutment & Ti-base (REF OPTS162)
Not specified · confirmed
Laboratory screw for TL plural Angled Access (REF TSAA163P-2)
Not specified · confirmed
Titanium alloy hex abutment screw for 3.3mm, 3.8mm, and 4.3mm platforms
Not specified · confirmed
Titanium prosthetic screw for TL plural components (REF TSAA161)
Not specified · confirmed
T5 Torx, 5.5 mm head dia, 0.6 mm head thickness
1.5 mm · confirmed
12x M1.6x2.6 flat-head nylon-coated screws including display hinge locations
2.6mm · confirmed
fastener kit screw (official Framework fastener kit) — T5 head, 1.5mm long (official fastener guide)
1.5mm · confirmed
Webcam and Mainboard — T5 head, 1.5mm long (official fastener guide)
1.5mm · confirmed
fastener kit screw (official Framework fastener kit) — T5 head, 1.5mm long (official fastener guide)
1.5mm · confirmed
fastener kit screw (official Framework fastener kit) — T5 head, 2.5mm long (official fastener guide)
2.5mm · confirmed
fastener kit screw (official Framework fastener kit) — T5 head, 3.5mm long (official fastener guide)
3.5mm · confirmed
fastener kit screw (official Framework fastener kit) — T5 head, 4.0mm long (official fastener guide)
4.0mm · confirmed
Expansion Card lock — T5 head, 3.5mm long (official fastener guide)
3.5mm · confirmed
Expansion Card lock — T5 head, 2.5mm long (official fastener guide)
2.5mm · confirmed
SMTSO-M1.6 reflow-mounted PCB standoff, thread M1.6 x 0.35
standoff heights vary · confirmed
smart card reader and smart card reader cable — flat-head screw, 1.8mm long (official Hardware Maintenance Manual screw table)
1.8mm · confirmed
dummy smart card reader — flat-head screw, 1.8mm long (official Hardware Maintenance Manual screw table)
1.8mm · confirmed
internal FRU screw listed in the official Hardware Maintenance Manual screw tables — flat-head, 2.1mm long
2.1mm · confirmed
internal FRU screw listed in the official Hardware Maintenance Manual screw tables — flat-head, 2.6mm long
2.6mm · confirmed
internal FRU screw listed in the official Hardware Maintenance Manual screw tables — flat-head, 2.1mm long
2.1mm · confirmed
dummy smart card reader — flat-head screw, 2.1mm long (official Hardware Maintenance Manual screw table)
2.1mm · confirmed
internal FRU screw listed in the official Hardware Maintenance Manual screw tables — flat-head, 1.8mm long
1.8mm · confirmed
standard ophthalmic screw thread M1.6 x 0.35, hinge and barrel screws
varies by frame · confirmed
reed-plate and cover-plate screws
10mm · confirmed
Official top cover fastener kit lists M1.6 x 1.5 mm (x2) and M1.6 x 3.0 mm (x4) T5 fasteners
1.5mm; 3.0mm · confirmed
Official fastener kit lists M1.6 x 1.5 mm T5 fasteners (x5)
1.5mm · confirmed
Framework fastener kit: M1.6 T5, 1.5 mm length, 5.5 mm head, 0.6 mm thick.
1.5 · confirmed
105 distinct devices reference M1.6 across the database.