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Slice Engineering Mosquito / Mosquito Conduct hotend screw size

M1.4 · 2 mm long

Slice Engineering Mosquito / Mosquito Conduct hotend takes M1.4 metric screws, 2 mm long.

The record covers hot block-to-heat-sink screws, M1.4 x 0.3 socket head with threadlocker.

This entry is marked confirmed and comes from support.sliceengineering.com.

For reference, M1.4 is 1.4 mm across the threads at 0.3 mm pitch. The imperial size people confuse it with: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix.

Slice Engineering Mosquito / Mosquito Conduct hotend 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.

ThreadLengthPitchHeadDriveWhere it goesStatus
M1.42 mm0.3 mmnot statednot statedHot block-to-heat-sink screws, M1.4 x 0.3 socket head with threadlockerthread-locking patchConfirmed

Fitment records and sources

M1.4M1.4 x 0.3 (2 pcs)confirmed

Hot block-to-heat-sink screws, M1.4 x 0.3 socket head with threadlocker

pitch 0.3 mm · tap 1.1 mm · clearance 1.6 mm · PH000 / PH00 / Torx T2–T3

How to check the screw before you buy

  1. Into printed plastic, the screw either self-taps or needs a heat-set insert; machine screws straight into plastic strip easily.
  2. Diameter: across the threads an M1.4 screw measures about 1.4 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 0.3 mm from one thread crest to the next (33.33 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
  4. Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
  5. The record states 2 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
  6. Driver: the source does not name the drive. Standard M1.4 heads take PH000 / PH00 for Phillips and T2–T3 for Torx, and a 1.3 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
  7. Tightening: no device-specific torque is published in these records. The site's general figure for M1.4 is about 8-12 N·cm into metal threads and 4-7 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M1.4

  • Slice Engineering also lists 1.3mm and 2mm hex keys - those are driver sizes, not thread sizes.
  • M1.4 is THE Samsung Galaxy internal screw across S, A, M and Note lines — but lengths run 2.3mm to 4mm+ and are not interchangeable between models.

Pitch gauge · Screw size finder · Torque guide

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 Slice Engineering Mosquito / Mosquito Conduct hotend, closest length match first.

Questions about Slice Engineering Mosquito / Mosquito Conduct hotend screws

What size screw does Slice Engineering Mosquito / Mosquito Conduct hotend use?
M1.4 × 2 mm for hot block-to-heat-sink screws, M1.4 x 0.3 socket head with threadlocker.
How long are the screws in Slice Engineering Mosquito / Mosquito Conduct hotend?
The record gives 2 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
What is the thread pitch of an M1.4 screw?
0.3 mm (coarse), which is the standard pitch for M1.4 machine screws. The tap drill is 1.1 mm and the normal clearance hole is 1.6 mm.
What screwdriver do I need for Slice Engineering Mosquito / Mosquito Conduct hotend?
The sources do not name the drive. For M1.4, Phillips heads normally take PH000 / PH00 and Torx heads T2–T3; socket heads take a 1.3 mm hex key.
Can I use an imperial screw instead of M1.4?
No. Imperial look-alike: #0-80 UNF (1.52 mm) — close in diameter, different pitch, do not mix. Use a true M1.4 screw so it does not cross-thread or strip the hole.
Where can I buy replacement screws for Slice Engineering Mosquito / Mosquito Conduct hotend?
TechSpareWarehouse (our own store) lists M1.4 x 2mm, which matches the length in the records above.