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HP Compaq Evo N800v screw size

M2 / M2.5 / M3 · 4 to 10 mm long

HP Compaq Evo N800v takes M2, M2.5 and M3 metric screws in lengths from 4 to 10 mm.

There are 22 separate fitment records for it, including base cover (qty 2, black, Phillips) (M2), hinge (qty 2, black, Phillips) (M2) and display (qty 2, gold, Phillips) (M2), plus 19 more in the table below.

Head and drive, as the sources state them: shoulder screw head and Phillips drive.

22 of the 22 records are marked confirmed, drawn from 1 source (h10032.www1.hp.com).

M2 means a 2 mm nominal diameter with a 0.4 mm thread pitch. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.

HP Compaq Evo N800v 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
M210 mm0.4 mmnot statedPhillipsBase cover (qty 2, black, Phillips)black finishConfirmed
M210 mm0.4 mmnot statedPhillipsHinge (qty 2, black, Phillips)black finishConfirmed
M24 mm0.4 mmnot statedPhillipsDisplay (qty 2, gold, Phillips)Confirmed
M24 mm0.4 mmnot statedPhillipsKeyboard (qty 2, gold, Phillips)Confirmed
M24 mm0.4 mmnot statedPhillipsPalm rest (qty 2, gold, Phillips)Confirmed
M24 mm0.4 mmnot statedPhillipsSpeaker (qty 1, gold, Phillips)Confirmed
M24 mm0.4 mmnot statedPhillipsTouchpad (qty 4, gold, Phillips)Confirmed
M25 mm0.4 mmnot statedPhillipsMemory (qty 1, Phillips)Confirmed
M25 mm0.4 mmnot statedPhillipsWireless card (qty 1, Phillips)Confirmed
M25.5 mm0.4 mmnot statedPhillipsSystem board (qty 2, black, Phillips)black finishConfirmed
M25.5 mm0.4 mmnot statedPhillipsTouchpad (qty 2, Phillips)Confirmed
M25.5 mm0.4 mmnot statedPhillipsUnspecified (qty 2, silver, Phillips)Confirmed
M28 mm0.4 mmnot statedPhillipsDisplay (qty 2, black, Phillips)black finishConfirmed
M28 mm0.4 mmnot statednot statedPalm rest (qty 9, black)black finishConfirmed
M28 mm0.4 mmnot statedPhillipsSystem board (qty 2, black, Phillips)black finishConfirmed
M28 mm0.4 mmnot statedPhillipsTouchpad (qty 2, Phillips)Confirmed
M28 mm0.4 mmnot statedPhillipsUnspecified (qty 9, Phillips)Confirmed
M29 mm0.4 mmShoulder screwPhillipsFan (qty 4, shoulder, Phillips)Confirmed
M2.59 mm0.45 mmnot statednot statedDisplay (qty 2, black)black finishConfirmed
M2.59 mm0.45 mmnot statedPhillipsHinge (qty 2, Phillips)Confirmed
M34 mm0.5 mmnot statedPhillipsBattery (qty 1, Phillips)Confirmed
M34 mm0.5 mmnot statedPhillipsHard drive (qty 2, black, Phillips)black finishConfirmed

Fitment records and sources

M210 mmconfirmed

Base cover (qty 2, black, Phillips)

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

M210 mmconfirmed

Hinge (qty 2, black, Phillips)

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

M24 mmconfirmed

Display (qty 2, gold, Phillips)

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

M24 mmconfirmed

Keyboard (qty 2, gold, Phillips)

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

M24 mmconfirmed

Palm rest (qty 2, gold, Phillips)

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

M24 mmconfirmed

Speaker (qty 1, gold, Phillips)

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

M24 mmconfirmed

Touchpad (qty 4, gold, Phillips)

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

M25 mmconfirmed

Memory (qty 1, Phillips)

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

M25 mmconfirmed

Wireless card (qty 1, Phillips)

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

M25.5 mmconfirmed

System board (qty 2, black, Phillips)

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

M25.5 mmconfirmed

Touchpad (qty 2, Phillips)

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

M25.5 mmconfirmed

Unspecified (qty 2, silver, Phillips)

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

M28 mmconfirmed

Display (qty 2, black, Phillips)

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

M28 mmconfirmed

Palm rest (qty 9, black)

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

M28 mmconfirmed

System board (qty 2, black, Phillips)

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

M28 mmconfirmed

Touchpad (qty 2, Phillips)

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

M28 mmconfirmed

Unspecified (qty 9, Phillips)

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

M29 mmconfirmed

Fan (qty 4, shoulder, Phillips)

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

M2.59 mmconfirmed

Display (qty 2, black)

pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8

M2.59 mmconfirmed

Hinge (qty 2, Phillips)

pitch 0.45 mm · tap 2.05 mm · clearance 2.9 mm · PH1 / Torx T8

M34 mmconfirmed

Battery (qty 1, Phillips)

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

M34 mmconfirmed

Hard drive (qty 2, black, Phillips)

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 M2.5 / 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: for shoulder screw screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
  5. The records span 4–10 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source names a Phillips drive. For comparison, standard M2 heads take PH0 (Phillips) or T6 (Torx), or a 1.5 mm hex key.
  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 / M2.5 / 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).
  • M2.5 and M3 look the same to the naked eye — you need calipers on the shank to tell them apart.
  • 3.5in desktop and enterprise hard drives are 6-32 UNC imperial, not M3 - only the 2.5in form factor is metric.

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 HP Compaq Evo N800v, closest length match first.

Questions about HP Compaq Evo N800v screws

What size screw does HP Compaq Evo N800v use?
M2 × 10 mm for base cover (qty 2, black, Phillips); M2 × 10 mm for hinge (qty 2, black, Phillips); M2 × 4 mm for display (qty 2, gold, Phillips); M2 × 4 mm for keyboard (qty 2, gold, Phillips); M2 × 4 mm for palm rest (qty 2, gold, Phillips); M2 × 4 mm for speaker (qty 1, gold, Phillips); M2 × 4 mm for touchpad (qty 4, gold, Phillips); M2 × 5 mm for memory (qty 1, Phillips); M2 × 5 mm for wireless card (qty 1, Phillips); M2 × 5.5 mm for system board (qty 2, black, Phillips); M2 × 5.5 mm for touchpad (qty 2, Phillips); M2 × 5.5 mm for unspecified (qty 2, silver, Phillips); M2 × 8 mm for display (qty 2, black, Phillips); M2 × 8 mm for palm rest (qty 9, black); M2 × 8 mm for system board (qty 2.
How long are the screws in HP Compaq Evo N800v?
The records range from 4 to 10 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 HP Compaq Evo N800v?
The source lists a Phillips drive. Standard M2 heads otherwise take PH0 (Phillips) or T6 (Torx), or 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 HP Compaq Evo N800v?
TechSpareWarehouse (our own store) lists M2 x 4mm, M2 x 5mm and M2 x 8mm, which match lengths in the records above.