ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear) screw size
M4 · 10 mm long
The screws used on ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear) are M4, 10 mm long.
The record covers ETC Sensor+ Rack Installation Manual explicitly specifies M4 screws for module retention and terminal block mounting hardware within the dimmer rack chassis.
This entry is marked likely and comes from etcconnect.com.
M4 means a 4 mm nominal diameter with a 0.7 mm thread pitch. Imperial look-alike: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same.
ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear) 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 | 10 mm | 0.7 mm | not stated | not stated | ETC Sensor+ Rack Installation Manual explicitly specifies M4 screws for module retention and terminal block mounting hardware within the dimmer rack chassis | Likely |
Fitment records and sources
ETC Sensor+ Rack Installation Manual explicitly specifies M4 screws for module retention and terminal block mounting hardware within the dimmer rack chassis
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- Board standoffs and enclosure bosses set the usable length: the screw should clamp the board without bottoming in the standoff.
- 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.
- The record states 10 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- 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-lug screws on Siemens and Beckhoff gear (M4) are earth hardware, not structural mounting screws — don't reuse them to hold a module.
- Most HVAC chassis hardware in US-market units is imperial; metric shows up mainly on European-made components.
Buy these screws at TechSpare Warehouse
In stock and shipped from South Carolina. Our black screws are Phillips wafer head (low profile); match the head style and length to the original before you order.
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Questions about ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear) screws
- What size screw does ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear) use?
- M4 × 10 mm for ETC Sensor+ Rack Installation Manual explicitly specifies M4 screws for module retention and terminal block mounting hardware within the dimmer rack chassis.
- How long are the screws in ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear)?
- The record gives 10 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- 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 ETC Sensor+ Dimmer Rack (theatrical stage lighting dimmer rack, rigging control gear)?
- 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.