Watch lug / strap screw bar screw size
M1.4 · length not stated in the sources
Our records put Watch lug / strap screw bar on M1.4 screws. None of the sources we found gives an exact length, so measure the original before you order.
Where it is used: threaded bar securing the strap to the lugs.
This entry is marked reported and comes from accio.com.
An M1.4 screw is 1.4 mm in diameter with a 0.3 mm pitch, tapped with a 1.1 mm drill; imperial look-alike: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix.
Watch lug / strap screw bar 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 |
|---|---|---|---|---|---|---|
| M1.4 | not stated | 0.3 mm | not stated | not stated | threaded bar securing the strap to the lugs | Reported |
Fitment records and sources
threaded bar securing the strap to the lugs
pitch 0.3 mm · tap 1.1 mm · clearance 1.6 mm · PH000 / PH00 / Torx T2–T3
How to check the screw before you buy
- Over-long screws in phones are a known cause of damaged boards (Apple's 'long screw damage'), so never swap positions.
- Diameter: across the threads an M1.4 screw measures about 1.4 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.3 mm from one thread crest to the next (33.33 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.
- Driver: the source does not name the drive. Standard M1.4 heads take PH000 / PH00 for Phillips and T2–T3 for Torx, and a 1.3 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
- Tightening: no device-specific torque is published in these records. The site's general figure for M1.4 is about 8-12 N·cm into metal threads and 4-7 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M1.4
- M1.4 is THE Samsung Galaxy internal screw across S, A, M and Note lines — but lengths run 2.3mm to 4mm+ and are not interchangeable between models.
More in Phones, Tablets & Wearables
The same screw also fits
Devices whose records share a thread with Watch lug / strap screw bar, closest length match first.
- Google Pixel 7 battery bracket also M1.4
- OnePlus / Xiaomi flagship midframes also M1.4
- Samsung Galaxy A-series internal repair screw also M1.4
- Garmin smartwatch back cover also M1.4
- Sennheiser MKH800 / SK6000 microphone/wireless products also M1.4
- Samsung Galaxy Watch 3 (45mm) screw also M1.4
- Nokia Lumia 1020 internal chassis screw also M1.4
- Saxophone key pivot also M1.4
Questions about Watch lug / strap screw bar screws
- What size screw does Watch lug / strap screw bar use?
- M1.4 for threaded bar securing the strap to the lugs.
- How long are the screws in Watch lug / strap screw bar?
- None of the sources states a length. Remove one screw and measure it from under the head to the tip (overall for a countersunk head).
- What is the thread pitch of an M1.4 screw?
- 0.3 mm (coarse), which is the standard pitch for M1.4 machine screws. The tap drill is 1.1 mm and the normal clearance hole is 1.6 mm.
- What screwdriver do I need for Watch lug / strap screw bar?
- The sources do not name the drive. For M1.4, Phillips heads normally take PH000 / PH00 and Torx heads T2–T3; socket heads take a 1.3 mm hex key.
- Can I use an imperial screw instead of M1.4?
- No. Imperial look-alike: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix. Use a true M1.4 screw so it does not cross-thread or strip the hole.