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Lenovo E10-30 screw size

M2 / M3 · 1.7 to 6 mm long

Our records put Lenovo E10-30 on M2 and M3 screws in lengths from 1.7 to 6 mm.

There are 10 separate fitment records for it, including keyboard (qty 3, flat, black) (M2), base cover (qty 4, flat, black) (M2) and display (qty 4, flat, black) (M2), plus 7 more in the table below.

10 of the 10 records are marked confirmed, drawn from 1 source (download.lenovo.com).

An M2 screw is 2 mm in diameter with a 0.4 mm pitch, tapped with a 1.6 mm drill; imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.

Lenovo E10-30 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.

ThreadLengthPitchHeadDriveWhere it goesStatus
M21.7 mm0.4 mmnot statednot statedKeyboard (qty 3, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedBase cover (qty 4, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedDisplay (qty 4, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedFan (qty 3, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedHard drive (qty 2, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedSystem board (qty 3, flat, black)black finishConfirmed
M23 mm0.4 mmnot statednot statedWireless card (qty 1, flat, black)black finishConfirmed
M25 mm0.4 mmnot statednot statedDisplay (qty 2, flat, black)black finishConfirmed
M26 mm0.4 mmnot statednot statedHard drive (qty 7, flat, black)black finishConfirmed
M33 mm0.5 mmnot statednot statedHard drive (qty 2, flat, black)black finishConfirmed

Fitment records and sources

M21.7 mmconfirmed

Keyboard (qty 3, flat, black)

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

M23 mmconfirmed

Base cover (qty 4, flat, black)

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

M23 mmconfirmed

Display (qty 4, flat, black)

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

M23 mmconfirmed

Fan (qty 3, flat, black)

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

M23 mmconfirmed

Hard drive (qty 2, flat, black)

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

M23 mmconfirmed

System board (qty 3, flat, black)

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

M23 mmconfirmed

Wireless card (qty 1, flat, black)

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

M25 mmconfirmed

Display (qty 2, flat, black)

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

M26 mmconfirmed

Hard drive (qty 7, flat, black)

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

M33 mmconfirmed

Hard drive (qty 2, flat, black)

pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10

How to check the screw before you buy

  1. 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.
  2. Diameter: across the threads an M2 screw measures about 2 mm with calipers (usually a hair under). This device also uses M3, so measure each screw rather than assuming they match.
  3. 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.
  4. Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
  5. The records span 1.7–6 mm, which means different positions take different lengths — match each hole to its own screw.
  6. 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.
  7. 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 / M3

  • 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).
  • The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
  • 3.5in desktop and enterprise hard drives are 6-32 UNC imperial, not M3 - only the 2.5in form factor is metric.
  • Thorlabs' 16mm cage system standard plates use dual 4-40 (UNC) and M3 taps on the same plate (e.g., SP01), so metric and imperial fasteners are both valid depending on the region/kit purchased.

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 Lenovo E10-30, closest length match first.

Questions about Lenovo E10-30 screws

What size screw does Lenovo E10-30 use?
M2 × 1.7 mm for keyboard (qty 3, flat, black); M2 × 3 mm for base cover (qty 4, flat, black); M2 × 3 mm for display (qty 4, flat, black); M2 × 3 mm for fan (qty 3, flat, black); M2 × 3 mm for hard drive (qty 2, flat, black); M2 × 3 mm for system board (qty 3, flat, black); M2 × 3 mm for wireless card (qty 1, flat, black); M2 × 5 mm for display (qty 2, flat, black); M2 × 6 mm for hard drive (qty 7, flat, black); M3 × 3 mm for hard drive (qty 2, flat, black).
How long are the screws in Lenovo E10-30?
The records range from 1.7 to 6 mm depending on the position, so match each screw to its own hole.
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 Lenovo E10-30?
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 Lenovo E10-30?
TechSpareWarehouse (our own store) lists M2 x 3mm, M2 x 5mm and M2 x 6mm, which match lengths in the records above.