Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D screw size
M1.6 / M2 / M2.5 · 1.8 to 5 mm long
Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D takes M1.6, M2 and M2.5 metric screws in lengths from 1.8 to 5 mm.
There are 10 separate fitment records for it, including SSD (qty 1, silver, Phillips) (M1.6), system board (qty 3, black, Phillips) (M1.6) and wireless card (qty 1, silver, Phillips) (M1.6), plus 7 more in the table below.
Head and drive, as the sources state them: Phillips drive.
10 of the 10 records are marked confirmed, drawn from 1 source (download.lenovo.com).
M1.6 means a 1.6 mm nominal diameter with a 0.35 mm thread pitch. Imperial look-alike: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent.
Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D 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 | 1.8 mm | 0.35 mm | not stated | Phillips | SSD (qty 1, silver, Phillips) | Confirmed |
| M1.6 | 1.8 mm | 0.35 mm | not stated | Phillips | System board (qty 3, black, Phillips)black finish | Confirmed |
| M1.6 | 1.8 mm | 0.35 mm | not stated | Phillips | Wireless card (qty 1, silver, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Display (qty 8, black, Phillips)black finish | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | Phillips | Battery (qty 5, silver, Phillips) | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | Phillips | Coin-cell battery (qty 3, silver, Phillips) | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | Phillips | Fan (silver, Phillips) | Confirmed |
| M2 | 3.5 mm | 0.4 mm | not stated | Phillips | System board (qty 7, silver, Phillips) | Confirmed |
| M2 | 5 mm | 0.4 mm | not stated | Phillips | Base cover (qty 10, silver, Phillips) | Confirmed |
| M2.5 | 5 mm | 0.45 mm | not stated | Phillips | Palm rest (qty 4, black, Phillips)black finish | Confirmed |
Fitment records and sources
SSD (qty 1, silver, Phillips)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
System board (qty 3, black, Phillips)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
Wireless card (qty 1, silver, Phillips)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
Display (qty 8, black, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Battery (qty 5, silver, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Coin-cell battery (qty 3, silver, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Fan (silver, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 7, silver, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Base cover (qty 10, silver, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Palm rest (qty 4, black, Phillips)
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 1.8–5 mm, which means different positions take different lengths — match each hole to its own screw.
- Driver: the source names a Phillips drive. For comparison, standard M1.6 heads take PH00 (Phillips) or T4–T5 (Torx), or a 1.5 mm hex key.
- 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
- M.2 SSD mounting screws (M2 x 3mm) are frequently mislabeled generically as 'M.2 screws' which can be confused with the M2 metric thread designation — they do coincide numerically here but are conceptually distinct (M.2 = card format, M2 = thread size).
- 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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M2.5 x 5mm Phillips Wafer Head Screw for Action Camera Protective Housing - Pack of 50 Black
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ASUS ROG Strix G15 G513R Replacement Screws Sold Individually – M1.6 x 3mm, M2 x 2.5mm, M2 x 3mm, M2.5 x 6mm Phillips Wafer Head, Black
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ASUS ROG Strix G17 G713 Replacement Screws Sold Individually – M1.6 x 3mm, M2 x 2.5mm, M2 x 3mm, M2.5 x 6mm Phillips Wafer Head, Black
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The same screw also fits
Devices whose records share a thread with Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D, closest length match first.
- Lenovo ideapad 320-14IKB also M2.5 × 5 mm
- Lenovo ThinkPad E465 also M2 × 3.5 mm
- Dell Latitude D630 XFR also M2 × 5 mm
- Dell G15 5520 also M2 × 2 mm
- Dell Latitude 7280 also M2 × 2 mm
- Dell Latitude 5510 also M2 × 2 mm
- Acer Aspire 5515 also M2.5 × 5 mm
- Lenovo ThinkPad L13 Yoga Gen 4 also M2 × 2 mm
Questions about Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D screws
- What size screw does Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D use?
- M1.6 × 1.8 mm for SSD (qty 1, silver, Phillips); M1.6 × 1.8 mm for system board (qty 3, black, Phillips); M1.6 × 1.8 mm for wireless card (qty 1, silver, Phillips); M2 × 2 mm for display (qty 8, black, Phillips); M2 × 3.5 mm for battery (qty 5, silver, Phillips); M2 × 3.5 mm for coin-cell battery (qty 3, silver, Phillips); M2 × 3.5 mm for fan (silver, Phillips); M2 × 3.5 mm for system board (qty 7, silver, Phillips); M2 × 5 mm for base cover (qty 10, silver, Phillips); M2.5 × 5 mm for palm rest (qty 4, black, Phillips).
- How long are the screws in Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D?
- The records range from 1.8 to 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 Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D?
- The source lists a Phillips drive. Standard M1.6 heads otherwise take PH00 (Phillips) or T4–T5 (Torx), or 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 Lenovo ideapad 320S 320S-13IKB 320S-13IKB U 320S-13IKB D?
- TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 5mm and M2.5 x 5mm, which match lengths in the records above.