Dell Inspiron 16 5620 screw size
M1.6 / M2 / M2.5 · 1.8 to 7.5 mm long
Dell Inspiron 16 5620 takes M1.6, M2 and M2.5 metric screws in lengths from 1.8 to 7.5 mm.
There are 8 separate fitment records for it, including memory (qty 3) (M1.6), memory (qty 2) (M2) and memory (qty 3) (M2), plus 5 more in the table below.
8 of the 8 records are marked confirmed, drawn from 1 source (dell.com).
For reference, M1.6 is 1.6 mm across the threads at 0.35 mm pitch. The imperial size people confuse it with: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent.
Dell Inspiron 16 5620 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 |
|---|---|---|---|---|---|---|
| M1.6 | 2 mm | 0.35 mm | not stated | not stated | Memory (qty 3) | Confirmed |
| M2 | 1.8 mm | 0.4 mm | not stated | not stated | Memory (qty 2) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | not stated | Memory (qty 3) | Confirmed |
| M2 | 3 mm | 0.4 mm | not stated | not stated | Memory (qty 5) | Confirmed |
| M2 | 4 mm | 0.4 mm | not stated | not stated | Memory (qty 7) | Confirmed |
| M2 | 5 mm | 0.4 mm | not stated | not stated | Memory (qty 2) | Confirmed |
| M2 | 7.5 mm | 0.4 mm | not stated | not stated | Memory (qty 2, captive)captive | Confirmed |
| M2.5 | 5 mm | 0.45 mm | not stated | not stated | Memory (qty 5) | Confirmed |
Fitment records and sources
Memory (qty 3)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
Memory (qty 2)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 3)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 5)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 7)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 2)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 2, captive)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Memory (qty 5)
pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8
How to check the screw before you buy
- A screw that is even 1 mm too long in a laptop base can push into the keyboard, battery or a board trace, so match the length position by position.
- Diameter: across the threads an M1.6 screw measures about 1.6 mm with calipers (usually a hair under). This device also uses M2 / M2.5, so measure each screw rather than assuming they match.
- Pitch: 0.35 mm from one thread crest to the next (28.57 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 records span 1.8–7.5 mm, which means different positions take different lengths — match each hole to its own screw.
- Driver: the source does not name the drive. Standard M1.6 heads take PH00 for Phillips and T4–T5 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 M1.6 is about 12-20 N·cm into metal threads and 6-10 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M1.6 / M2 / M2.5
- 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.
- The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
- Dell/HP/Lenovo manuals often list screws only by torque or head shape, so community teardowns are needed for 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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More in Laptops & PCs
The same screw also fits
Devices whose records share a thread with Dell Inspiron 16 5620, closest length match first.
- HP mt42 Mobile Thin Client also M2 × 3 mm
- Acer Extensa 5630Z also M2 × 3 mm
- Toshiba Satellite A30 also M2 × 3 mm
- Lenovo IdeaPad U300e also M2 × 3 mm
- Acer Aspire 5235 also M2 × 2 mm
- Lenovo ThinkPad X41 Tablet also M2 × 3 mm
- ASUS S62F also M2 × 3 mm
- Lenovo ThinkPad T14 Gen 1 lower case also M2 × 3 mm
Questions about Dell Inspiron 16 5620 screws
- What size screw does Dell Inspiron 16 5620 use?
- M1.6 × 2 mm for memory (qty 3); M2 × 1.8 mm for memory (qty 2); M2 × 2 mm for memory (qty 3); M2 × 3 mm for memory (qty 5); M2 × 4 mm for memory (qty 7); M2 × 5 mm for memory (qty 2); M2 × 7.5 mm for memory (qty 2, captive); M2.5 × 5 mm for memory (qty 5).
- How long are the screws in Dell Inspiron 16 5620?
- The records range from 1.8 to 7.5 mm depending on the position, so match each screw to its own hole.
- What is the thread pitch of an M1.6 screw?
- 0.35 mm (coarse), which is the standard pitch for M1.6 machine screws; a 0.2 mm fine pitch exists but is uncommon. The tap drill is 1.25 mm and the normal clearance hole is 1.8 mm.
- What screwdriver do I need for Dell Inspiron 16 5620?
- The sources do not name the drive. For M1.6, Phillips heads normally take PH00 and Torx heads T4–T5; socket heads take a 1.5 mm hex key.
- Can I use an imperial screw instead of M1.6?
- No. Imperial look-alike: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent. Use a true M1.6 screw so it does not cross-thread or strip the hole.
- Where can I buy replacement screws for Dell Inspiron 16 5620?
- TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 3mm and M2 x 4mm, which match lengths in the records above.