Dell Latitude 7400 screw size

Dell Latitude 7400 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.

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 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.
3. 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.
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 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 M1.6 heads take PH00 for Phillips and T4–T5 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 M1.6 is about 12-20 N·cm into metal threads and 6-10 N·cm into plastic bosses; snug it up and stop.

Pitch gauge · Screw size finder · Torque guide

More in Laptops & PCs

The same screw also fits

Devices whose records share a thread with Dell Latitude 7400, closest length match first.

• Lenovo ideapad 330-15IKB Touch also M2 × 3 mm
• Lenovo ThinkPad R61e also M2 × 3 mm
• Lenovo IdeaPad Z485 also M2 × 2.5 mm
• Lenovo G710 also M2 × 2 mm
• HP Compaq nx6110 also M2 × 2 mm
• Lenovo ThinkPad X12 Detachable Gen 2 also M2 × 2 mm
• Lenovo V140-15IWL also M2 × 3 mm
• Lenovo ideapad 330R-15ICH also M2 × 3 mm

Questions about Dell Latitude 7400 screws

What size screw does Dell Latitude 7400 use?

M1.6 × 2 mm for keyboard (qty 21); M2 × 2 mm for keyboard (qty 5); M2 × 2.5 mm for card reader (qty 4); M2 × 2.5 mm for display (qty 4); M2 × 2.5 mm for power button (qty 2); M2 × 2.5 mm for system board (qty 2); M2 × 2.5 mm for touchpad (qty 2); M2 × 3 mm for I/O board (qty 1); M2 × 3 mm for DC-in (qty 1); M2 × 3 mm for display (qty 1); M2 × 3 mm for heat sink (qty 4); M2 × 3 mm for speaker (qty 4); M2 × 3 mm for system board (qty 3); M2 × 3 mm for wireless card (qty 1); M2 × 4 mm for display (qty 1); M2 × 4 mm for system board (qty 2); M2.5 × 3.5 mm for display (qty 6); M2.5 × 4 mm for display (qty 6); M2.5 × 5 mm for hinge (qty 4).

How long are the screws in Dell Latitude 7400?

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 Dell Latitude 7400?

The sources do not name the drive. For M1.6, Phillips heads normally take PH00 and Torx heads T4–T5; socket heads take 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 Dell Latitude 7400?

TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 2.5mm and M2 x 3mm, which match lengths in the records above.