HP EliteBook 865 16 inch G11 screw size
M1.6 / M2 / M2.5 · 2 to 5 mm long
Our records put HP EliteBook 865 16 inch G11 on M1.6, M2 and M2.5 screws in lengths from 2 to 5 mm.
There are 13 separate fitment records for it, including touchpad (qty 7, Phillips) (M1.6), system board (qty 1, Phillips) (M1.6) and card reader (qty 3, Phillips) (M2), plus 10 more in the table below.
Head and drive, as the sources state them: Phillips drive.
13 of the 13 records are marked confirmed, drawn from 1 source (kaas.hpcloud.hp.com).
An M1.6 screw is 1.6 mm in diameter with a 0.35 mm pitch, tapped with a 1.25 mm drill; imperial look-alike: #1-72 UNF (1.85 mm) is larger; there is no true imperial equivalent.
HP EliteBook 865 16 inch G11 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 | Phillips | Touchpad (qty 7, Phillips) | Confirmed |
| M1.6 | 4 mm | 0.35 mm | not stated | Phillips | System board (qty 1, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Card reader (qty 3, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Hinge (qty 3, broadhead, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Power button (qty 1, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | Speaker (qty 2, Phillips) | Confirmed |
| M2 | 2 mm | 0.4 mm | not stated | Phillips | System board (qty 2, Phillips) | Confirmed |
| M2 | 2.5 mm | 0.4 mm | not stated | Phillips | SSD (qty 1, Phillips) | Confirmed |
| M2 | 2.5 mm | 0.4 mm | not stated | Phillips | Wireless card (qty 1, Phillips) | Confirmed |
| M2 | 4 mm | 0.4 mm | not stated | Phillips | I/O board (qty 5, Phillips) | Confirmed |
| M2 | 4 mm | 0.4 mm | not stated | Phillips | Battery (qty 5, Phillips) | Confirmed |
| M2 | 4 mm | 0.4 mm | not stated | Phillips | System board (qty 7, Phillips) | Confirmed |
| M2.5 | 5 mm | 0.45 mm | not stated | Phillips | Display (qty 5, Phillips) | Confirmed |
Fitment records and sources
Touchpad (qty 7, Phillips)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
System board (qty 1, Phillips)
pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5
Card reader (qty 3, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Hinge (qty 3, broadhead, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Power button (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Speaker (qty 2, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 2, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
SSD (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Wireless card (qty 1, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
I/O board (qty 5, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Battery (qty 5, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
System board (qty 7, Phillips)
pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6
Display (qty 5, 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 2–5 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
- Headphone hinge screw sizes are usually quoted from screwdriver bit size, not an actual thread spec - measure before buying.
- 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.
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 HP EliteBook 865 16 inch G11, closest length match first.
- Dell Inspiron 15 3520 also M2 × 2 mm
- Dell Inspiron 15 3568 also M2.5 × 5 mm
- Dell Alienware m15 R2 also M2.5 × 5 mm
- Dell Inspiron 15 5515 also M1.6 × 2 mm
- Lenovo IdeaPad s940-14IIL also M2 × 2 mm
- HP ProBook 450 15.6 inch G9 also M1.6 × 2 mm
- Dell Latitude 5310 also M2 × 2 mm
- Lenovo YOGA 520-14IKB also M2 × 2.5 mm
Questions about HP EliteBook 865 16 inch G11 screws
- What size screw does HP EliteBook 865 16 inch G11 use?
- M1.6 × 2 mm for touchpad (qty 7, Phillips); M1.6 × 4 mm for system board (qty 1, Phillips); M2 × 2 mm for card reader (qty 3, Phillips); M2 × 2 mm for hinge (qty 3, broadhead, Phillips); M2 × 2 mm for power button (qty 1, Phillips); M2 × 2 mm for speaker (qty 2, Phillips); M2 × 2 mm for system board (qty 2, Phillips); M2 × 2.5 mm for SSD (qty 1, Phillips); M2 × 2.5 mm for wireless card (qty 1, Phillips); M2 × 4 mm for I/O board (qty 5, Phillips); M2 × 4 mm for battery (qty 5, Phillips); M2 × 4 mm for system board (qty 7, Phillips); M2.5 × 5 mm for display (qty 5, Phillips).
- How long are the screws in HP EliteBook 865 16 inch G11?
- The records range from 2 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 HP EliteBook 865 16 inch G11?
- 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 HP EliteBook 865 16 inch G11?
- TechSpareWarehouse (our own store) lists M1.6 x 4mm, M2 x 2mm and M2 x 2.5mm, which match lengths in the records above.



