Omron E2E small-diameter proximity sensor screw size
M5 · length not stated in the sources
The screws used on Omron E2E small-diameter proximity sensor are M5. None of the sources we found gives an exact length, so measure the original before you order.
It is listed for barrel-thread models available in M4 and M5.
This entry is marked confirmed and comes from farnell.com.
For reference, M5 is 5 mm across the threads at 0.8 mm pitch. The imperial size people confuse it with: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
Omron E2E small-diameter proximity sensor 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 |
|---|---|---|---|---|---|---|
| M5 | not stated | 0.8 mm | not stated | not stated | Barrel-thread models available in M4 and M5 | Confirmed |
Fitment records and sources
Barrel-thread models available in M4 and M5
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- Vibration loosens small screws on drones and RC models, so builders commonly add a drop of medium (blue) threadlocker on metal-to-metal joints — never on plastic.
- Diameter: across the threads an M5 screw measures about 5 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.8 mm from one thread crest to the next (12.5 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 M5 heads take PH2 for Phillips and T25 for Torx, and a 4 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 M5 is about 4.0-6.0 N·m into metal threads and 1.5-2.5 N·m into plastic bosses; snug it up and stop.
Common mix-ups with M5
- Sensor barrel sizes like M8, M12, M18 and M30 name the sensor body or connector diameter, not a mounting screw — check whether the M number is a body thread before buying screws.
- Inductive proximity sensors are sold by barrel thread (M5, M8, M12...) — the barrel is the thread, not a separate mounting screw.
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Questions about Omron E2E small-diameter proximity sensor screws
- What size screw does Omron E2E small-diameter proximity sensor use?
- M5 for barrel-thread models available in M4 and M5.
- How long are the screws in Omron E2E small-diameter proximity sensor?
- 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 M5 screw?
- 0.8 mm (coarse), which is the standard pitch for M5 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 4.2 mm and the normal clearance hole is 5.5 mm.
- What screwdriver do I need for Omron E2E small-diameter proximity sensor?
- The sources do not name the drive. For M5, Phillips heads normally take PH2 and Torx heads T25; socket heads take a 4 mm hex key.
- Can I use an imperial screw instead of M5?
- No. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing. Use a true M5 screw so it does not cross-thread or strip the hole.