Molex 1U Multi-Function Enclosure screw size
M4 · length not stated in the sources
Our records put Molex 1U Multi-Function Enclosure on M4 screws. None of the sources we found gives an exact length, so measure the original before you order.
It is listed for M4 mounting screws for cassette/module retention within 1U multi-function fiber enclosure.
This entry is marked reported and comes from molexces.com.
An M4 screw is 4 mm in diameter with a 0.7 mm pitch, tapped with a 3.3 mm drill; imperial look-alike: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same.
Molex 1U Multi-Function Enclosure 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 |
|---|---|---|---|---|---|---|
| M4 | not stated | 0.7 mm | not stated | not stated | M4 mounting screws for cassette/module retention within 1U multi-function fiber enclosure | Reported |
Fitment records and sources
M4 mounting screws for cassette/module retention within 1U multi-function fiber enclosure
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- Rack and enclosure hardware mixes metric and imperial (#8-32, #10-32, #6-32), so confirm the thread before forcing a screw.
- Diameter: across the threads an M4 screw measures about 4 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.7 mm from one thread crest to the next (14.29 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 M4 heads take PH2 for Phillips and T20 for Torx, and a 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 M4 is about 2.0-3.0 N·m into metal threads and 0.8-1.4 N·m into plastic bosses; snug it up and stop.
Common mix-ups with M4
- Grounding/earth-stud screws on hazardous-area (ATEX/IECEx) gas detectors are commonly M4 even though the enclosure body uses larger threaded glands — don't extrapolate the earth screw size to the whole unit.
- M4 and 6-32 UNC share a nominal diameter with different pitch — a classic cross-thread in US-market kits.
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Devices whose records share a thread with Molex 1U Multi-Function Enclosure, closest length match first.
- Crowcon Xgard Bright fixed gas detector (mining/oil & gas field electronics) also M4
- Midea/Little Swan front-load washer control board technical service guide also M4
- POM APM-E Series II parking meter mechanism (single-space parking meter) also M4
- DIN 41612 backplane / rack card retention also M4
- Elo EMV bracket special pan-head screw (Bag G) also M4
- BYD Battery-Box Premium LVS also M4
- WAGO 869-359 / 869-354 rail-mount end terminal block also M4
- SICK BEF-AP-EPA universal sensor adapter bracket also M4
Questions about Molex 1U Multi-Function Enclosure screws
- What size screw does Molex 1U Multi-Function Enclosure use?
- M4 for M4 mounting screws for cassette/module retention within 1U multi-function fiber enclosure.
- How long are the screws in Molex 1U Multi-Function Enclosure?
- 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 M4 screw?
- 0.7 mm (coarse), which is the standard pitch for M4 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 3.3 mm and the normal clearance hole is 4.5 mm.
- What screwdriver do I need for Molex 1U Multi-Function Enclosure?
- The sources do not name the drive. For M4, Phillips heads normally take PH2 and Torx heads T20; socket heads take a 3 mm hex key.
- Can I use an imperial screw instead of M4?
- No. Imperial look-alike: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same. Use a true M4 screw so it does not cross-thread or strip the hole.