Innovative Control Systems Tunnel Master WBC car wash controller cabinet screw size
M4 · 10 mm long
Innovative Control Systems Tunnel Master WBC car wash controller cabinet takes M4 metric screws, 10 mm long.
Where it is used: tunnel Master WBC User Manual explicitly specifies M4 fasteners for securing I/O terminal blocks and relay modules inside the control cabinet.
This entry is marked likely and comes from focusedcarwash.com.
For reference, M4 is 4 mm across the threads at 0.7 mm pitch. The imperial size people confuse it with: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same.
Innovative Control Systems Tunnel Master WBC car wash controller cabinet 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 | Tunnel Master WBC User Manual explicitly specifies M4 fasteners for securing I/O terminal blocks and relay modules inside the control cabinet | Likely |
Fitment records and sources
Tunnel Master WBC User Manual explicitly specifies M4 fasteners for securing I/O terminal blocks and relay modules inside the control cabinet
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- Where the manufacturer publishes a torque value, use a torque driver rather than feel.
- 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
- JCM bill-acceptor manual warns that if the host cabinet mounting bracket is only 2mm thick, standard-length M4 screws will not seat correctly — screw length must be matched to bracket thickness.
- Display mounts mix systems: the screen side is metric M4/M6, but the wall side of many mounts uses imperial wood screws such as #14 x 2.5in.
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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The same screw also fits
Devices whose records share a thread with Innovative Control Systems Tunnel Master WBC car wash controller cabinet, closest length match first.
- Drawer slide rails also M4 × 10 mm
- Tyco/Advanced MX1 fire panel loop card kit also M4 × 10 mm
- Motorcycle fairing panels also M4 × 10 mm
- Scope / rail mount base screws (metric) also M4 × 10 mm
- Chainsaw air filter cover also M4 × 10 mm
- Phoenix Contact CHARX EV-T1CCS charging inlet repair kit also M4 × 10 mm
- Shimano derailleur limit screws (H/L limit and B-tension) also M4 × 10 mm
- Car centre console and vent trim also M4 × 10 mm
Questions about Innovative Control Systems Tunnel Master WBC car wash controller cabinet screws
- What size screw does Innovative Control Systems Tunnel Master WBC car wash controller cabinet use?
- M4 × 10 mm for tunnel Master WBC User Manual explicitly specifies M4 fasteners for securing I/O terminal blocks and relay modules inside the control cabinet.
- How long are the screws in Innovative Control Systems Tunnel Master WBC car wash controller cabinet?
- 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 Innovative Control Systems Tunnel Master WBC car wash controller cabinet?
- 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.