Hach SC1000 controller screw size
M5 · 30 mm long
If you are replacing a screw on Hach SC1000 controller, the thread is M5, 30 mm long.
The record covers hexagon head mounting screws (kit LZX948).
This entry is marked confirmed and comes from cdn.hach.com.
An M5 screw is 5 mm in diameter with a 0.8 mm pitch, tapped with a 4.2 mm drill; imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
Hach SC1000 controller 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 | 30 mm | 0.8 mm | not stated | not stated | hexagon head mounting screws (kit LZX948) | Confirmed |
Fitment records and sources
hexagon head mounting screws (kit LZX948)
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- Printers and POS terminals often use self-tapping screws into plastic; re-use the original thread path instead of cutting a new one.
- 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.
- The record states 30 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 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
- M5x0.8 is the de facto universal bike thread — confirm 0.8mm pitch before threading into carbon or alloy bosses.
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Devices whose records share a thread with Hach SC1000 controller, closest length match first.
- DIN 912 socket-head cap screw also M5 × 30 mm
- Voron 2.4 frame corner brackets also M5 × 30 mm
- DIN 965 / ISO 7046 countersunk Phillips screw also M5 × 30 mm
- Hospital bed siderail and actuator brackets also M5 × 30 mm
- OpenBuilds C-Beam Machine also M5 × 30 mm
- E-scooter front fork axle bracket also M5 × 30 mm
- Treadmill console mounts also M5 × 30 mm
- Wheelchair rear wheel axle bolts also M5 × 30 mm
Questions about Hach SC1000 controller screws
- What size screw does Hach SC1000 controller use?
- M5 × 30 mm for hexagon head mounting screws (kit LZX948).
- How long are the screws in Hach SC1000 controller?
- The record gives 30 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- 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 Hach SC1000 controller?
- 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.