What size screw does Acer Swift / Aspire palmrest use?

M2 × 3 mm for palmrest and keyboard deck to the bottom chassis.

How long are the screws in Acer Swift / Aspire palmrest?

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 screw?

0.4 mm (coarse), which is the standard pitch for M2 machine screws; a 0.25 mm fine pitch exists but is uncommon. The tap drill is 1.6 mm and the normal clearance hole is 2.4 mm.

What screwdriver do I need for Acer Swift / Aspire palmrest?

The sources do not name the drive. For M2, Phillips heads normally take PH0 and Torx heads T6; socket heads take a 1.5 mm hex key.

Can I use an imperial screw instead of M2?

No. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable. Use a true M2 screw so it does not cross-thread or strip the hole.

Where can I buy replacement screws for Acer Swift / Aspire palmrest?

TechSpareWarehouse (our own store) lists M2 x 3mm, which matches the length in the records above.

Acer Swift / Aspire palmrest screw size

M2 · 3 mm long

If you are replacing a screw on Acer Swift / Aspire palmrest, the thread is M2, 3 mm long.

The record covers palmrest and keyboard deck to the bottom chassis.

This entry is marked reported and comes from acer.com.

For reference, M2 is 2 mm across the threads at 0.4 mm pitch. The imperial size people confuse it with: #2-56 UNC (2.18 mm) is close but not interchangeable.

Acer Swift / Aspire palmrest 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	3 mm	0.4 mm	not stated	not stated	palmrest and keyboard deck to the bottom chassis	Reported

Fitment records and sources

M2~3mmreported

palmrest and keyboard deck to the bottom chassis

pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6

Source

How to check the screw before you buy

Laptop covers and brackets often mix two or three lengths of the same thread, so lay the screws out in the order they came out (a magnetic mat or a sheet of paper with the hole pattern drawn on it works).
Diameter: across the threads an M2 screw measures about 2 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
Pitch: 0.4 mm from one thread crest to the next (25 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads 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 does not name the drive. Standard M2 heads take PH0 for Phillips and T6 for Torx, and a 1.5 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
Tightening: no device-specific torque is published in these records. The site's general figure for M2 is about 25-40 N·cm into metal threads and 12-20 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M2

The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
Xbox Series X internal chassis screws are M3, not M2 (confirmed on iFixit) — a widespread misconception.

Pitch gauge · Screw size finder · Torque guide

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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The same screw also fits

Devices whose records share a thread with Acer Swift / Aspire palmrest, closest length match first.

Lenovo Yoga Slim 7 14AKP10 also M2 × 3 mm
Lenovo ZhaoYang E49 also M2 × 3 mm
Dell Alienware x17 R2 also M2 × 3 mm
Lenovo B51-80 also M2 × 3 mm
HP Pavilion dv6000 also M2 × 3 mm
HP ProBook 655 G2 also M2 × 3 mm
Dell Inspiron 6400x also M2 × 3 mm
Dell Inspiron 5160 also M2 × 3 mm

Questions about Acer Swift / Aspire palmrest screws

What size screw does Acer Swift / Aspire palmrest use?: M2 × 3 mm for palmrest and keyboard deck to the bottom chassis.
How long are the screws in Acer Swift / Aspire palmrest?: 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 screw?: 0.4 mm (coarse), which is the standard pitch for M2 machine screws; a 0.25 mm fine pitch exists but is uncommon. The tap drill is 1.6 mm and the normal clearance hole is 2.4 mm.
What screwdriver do I need for Acer Swift / Aspire palmrest?: The sources do not name the drive. For M2, Phillips heads normally take PH0 and Torx heads T6; socket heads take a 1.5 mm hex key.
Can I use an imperial screw instead of M2?: No. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable. Use a true M2 screw so it does not cross-thread or strip the hole.
Where can I buy replacement screws for Acer Swift / Aspire palmrest?: TechSpareWarehouse (our own store) lists M2 x 3mm, which matches the length in the records above.

Heads up: shipping delay