Bopla earthing screw for cable gland / general accessories screw size
M4 · 7 mm long
The screws used on Bopla earthing screw for cable gland / general accessories are M4, 7 mm long.
It is listed for bopla product page titled 'M4x7' under Cable glands / General Accessories > Earthing screws, an M4x7 earthing screw used with Bopla enclosure cable-gland accessories.
This entry is marked confirmed and comes from bopla.de.
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.
Bopla earthing screw for cable gland / general accessories 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 | 7 mm | 0.7 mm | not stated | not stated | Bopla product page titled 'M4x7' under Cable glands / General Accessories > Earthing screws, an M4x7 earthing screw used with Bopla enclosure cable-gland accessories | Confirmed |
Fitment records and sources
Bopla product page titled 'M4x7' under Cable glands / General Accessories > Earthing screws, an M4x7 earthing screw used with Bopla enclosure cable-gland accessories
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- For a wall or arm mount, the screw has to engage the threaded insert by several turns but must not bottom out, so measure the insert depth and add the thickness of the bracket and any spacers.
- 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 7 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
- Camera rig/cage accessories (SmallRig, Wooden Camera/Metabones) frequently mix M4 structural screws with 1/4-20 and 3/8-16 imperial mounting points on the same product — verify which specific fastener a manual is referencing before ordering replacements.
- 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.
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Devices whose records share a thread with Bopla earthing screw for cable gland / general accessories, closest length match first.
- Portable 13-15in travel monitors also M4 × 7 mm
- Elo zero-bezel PCAP touchscreen display (MS601692) also M4 × 7 mm
- LED aluminium channel end caps also M4 × 7 mm
- LED video wall cabinet headless bolt E also M4 × 7 mm
- GCX 75/100mm VESA flush display mount also M4 × 7 mm
- VESA FDMI Part B and C display mounts also M4 × 7 mm
- Heart rate chest strap buckle also M4 × 7 mm
- Wurth Elektronik WA-SSTIE steel spacer stud also M4 × 7 mm
Questions about Bopla earthing screw for cable gland / general accessories screws
- What size screw does Bopla earthing screw for cable gland / general accessories use?
- M4 × 7 mm for bopla product page titled 'M4x7' under Cable glands / General Accessories > Earthing screws, an M4x7 earthing screw used with Bopla enclosure cable-gland accessories.
- How long are the screws in Bopla earthing screw for cable gland / general accessories?
- The record gives 7 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 Bopla earthing screw for cable gland / general accessories?
- 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.