Lenovo YOGA 900S-12ISK screw size

Lenovo YOGA 900S-12ISK 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 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 1.7–4 mm, which means different positions take different lengths — match each hole to its own screw.
6. Driver: the source names a Torx 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.

Pitch gauge · Screw size finder · Torque guide

More in Laptops & PCs

The same screw also fits

Devices whose records share a thread with Lenovo YOGA 900S-12ISK, closest length match first.

• HP ProBook 4 G2iR 14 inch also M2 × 2 mm
• ASUS ZenBook M.2 SSD also M2 × 3 mm
• Acer Aspire 4310 also M2 × 3 mm
• HP Compaq N800V also M2 × 4 mm
• HP ZBook Firefly 14 inch G11 A also M2 × 2 mm
• Lenovo ThinkPad A275 also M2 × 2 mm
• Dell XPS 13 9310 2-in-1 also M2 × 4 mm
• HP Compaq Evo N800w also M2 × 4 mm

Questions about Lenovo YOGA 900S-12ISK screws

What size screw does Lenovo YOGA 900S-12ISK use?

M2 × 1.7 mm for I/O board (qty 4, flat, black); M2 × 2 mm for I/O board (qty 3, flat, black); M2 × 2 mm for display (qty 12, flat, black); M2 × 2 mm for display back cover (qty 14, flat, silver); M2 × 2 mm for speaker (qty 4, flat, black); M2 × 3 mm for I/O board (qty 1, flat, black); M2 × 3 mm for battery (qty 4, flat, black); M2 × 3 mm for heat sink (qty 3, flat, black); M2 × 3 mm for SSD (qty 1, flat, black); M2 × 3 mm for system board (qty 6, flat, black); M2 × 3 mm for wireless card (qty 1, flat, black); M2 × 4 mm for base cover (qty 10, silver, Torx).

How long are the screws in Lenovo YOGA 900S-12ISK?

The records range from 1.7 to 4 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 YOGA 900S-12ISK?

The source lists a Torx 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 Lenovo YOGA 900S-12ISK?

TechSpareWarehouse (our own store) lists M2 x 2mm, M2 x 3mm and M2 x 4mm, which match lengths in the records above.