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HP EliteBook Revolve 810 G1 screw size

M2 · 2.5 to 8.5 mm long

Our records put HP EliteBook Revolve 810 G1 on M2 screws in lengths from 2.5 to 8.5 mm.

There are 13 separate fitment records for it, including base cover (qty 1, Torx T8) (M2), hinge (qty 6, Phillips) (M2) and system board (qty 1, Phillips) (M2), plus 10 more in the table below.

Head and drive, as the sources state them: Torx T8 and Phillips drives.

13 of the 13 records are marked confirmed, drawn from 1 source (h10032.www1.hp.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.

HP EliteBook Revolve 810 G1 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
M22.5 mm0.4 mmnot statedTorx T8Base cover (qty 1, Torx T8)Confirmed
M22.5 mm0.4 mmnot statedPhillipsHinge (qty 6, Phillips)Confirmed
M22.5 mm0.4 mmnot statedPhillipsSystem board (qty 1, Phillips)Confirmed
M23 mm0.4 mmnot statedPhillipsSpeaker (qty 3, broadhead, Phillips)Confirmed
M23 mm0.4 mmnot statedPhillipsSSD (qty 1, Phillips)Confirmed
M23 mm0.4 mmnot statedPhillipsUnspecified (qty 1, Phillips)Confirmed
M23 mm0.4 mmnot statedPhillipsWireless card (qty 1, Phillips)Confirmed
M24.3 mm0.4 mmnot statedPhillipsBase cover (qty 2, Phillips)Confirmed
M25 mm0.4 mmnot statedPhillipsDisplay (qty 2, Phillips)Confirmed
M25.65 mm0.4 mmnot statedTorx T8Base cover (qty 5, Torx T8)Confirmed
M26.5 mm0.4 mmnot statedPhillipsFan (qty 4, captive, Phillips)captiveConfirmed
M26.5 mm0.4 mmnot statedPhillipsUnspecified (qty 2, Phillips)Confirmed
M28.5 mm0.4 mmnot statedPhillipsUnspecified (qty 2, Phillips)Confirmed

Fitment records and sources

M22.5 mmconfirmed

Base cover (qty 1, Torx T8)

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

M22.5 mmconfirmed

Hinge (qty 6, Phillips)

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

M22.5 mmconfirmed

System board (qty 1, Phillips)

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

M23 mmconfirmed

Speaker (qty 3, broadhead, Phillips)

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

M23 mmconfirmed

SSD (qty 1, Phillips)

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

M23 mmconfirmed

Unspecified (qty 1, Phillips)

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

M23 mmconfirmed

Wireless card (qty 1, Phillips)

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

M24.3 mmconfirmed

Base cover (qty 2, Phillips)

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

M25 mmconfirmed

Display (qty 2, Phillips)

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

M25.65 mmconfirmed

Base cover (qty 5, Torx T8)

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

M26.5 mmconfirmed

Fan (qty 4, captive, Phillips)

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

M26.5 mmconfirmed

Unspecified (qty 2, Phillips)

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

M28.5 mmconfirmed

Unspecified (qty 2, Phillips)

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

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). If yours measures noticeably more or less, it is a different thread.
  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 2.5–8.5 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source names a Torx T8 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

  • The standard M.2 SSD screw is M2 x 3mm, but some laptops and handhelds use non-standard lengths or head shapes.
  • 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).

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 EliteBook Revolve 810 G1, closest length match first.

Questions about HP EliteBook Revolve 810 G1 screws

What size screw does HP EliteBook Revolve 810 G1 use?
M2 × 2.5 mm for base cover (qty 1, Torx T8); M2 × 2.5 mm for hinge (qty 6, Phillips); M2 × 2.5 mm for system board (qty 1, Phillips); M2 × 3 mm for speaker (qty 3, broadhead, Phillips); M2 × 3 mm for SSD (qty 1, Phillips); M2 × 3 mm for unspecified (qty 1, Phillips); M2 × 3 mm for wireless card (qty 1, Phillips); M2 × 4.3 mm for base cover (qty 2, Phillips); M2 × 5 mm for display (qty 2, Phillips); M2 × 5.65 mm for base cover (qty 5, Torx T8); M2 × 6.5 mm for fan (qty 4, captive, Phillips); M2 × 6.5 mm for unspecified (qty 2, Phillips); M2 × 8.5 mm for unspecified (qty 2, Phillips).
How long are the screws in HP EliteBook Revolve 810 G1?
The records range from 2.5 to 8.5 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 EliteBook Revolve 810 G1?
The source lists a Torx T8 and 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 EliteBook Revolve 810 G1?
TechSpareWarehouse (our own store) lists M2 x 2.5mm, M2 x 3mm and M2 x 5mm, which match lengths in the records above.