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CELLINK/BICO BIO X Thermoplastic Printhead screw size

M3 · length not stated in the sources

Our records put CELLINK/BICO BIO X Thermoplastic Printhead on M3 screws. None of the sources we found gives an exact length, so measure the original before you order.

Where it is used: technical specifications list a 4-mm tube connector with M3 (straight stainless) thread.

This entry is marked confirmed and comes from bpm-wiki.cnsi.ucsb.edu.

M3 means a 3 mm nominal diameter with a 0.5 mm thread pitch. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.

CELLINK/BICO BIO X Thermoplastic Printhead 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
M3not stated0.5 mmnot statednot statedTechnical specifications list a 4-mm tube connector with M3 (straight stainless) threadstainlessConfirmed

Fitment records and sources

M3n/a (fitting thread)confirmed

Technical specifications list a 4-mm tube connector with M3 (straight stainless) thread

pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10

How to check the screw before you buy

  1. Rack and enclosure hardware mixes metric and imperial (#8-32, #10-32, #6-32), so confirm the thread before forcing a screw.
  2. Diameter: across the threads an M3 screw measures about 3 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 0.5 mm from one thread crest to the next (20 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. Driver: the source does not name the drive. Standard M3 heads take PH1 for Phillips and T10 for Torx, and a 2.5 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
  6. Tightening: no device-specific torque is published in these records. The site's general figure for M3 is about 80-130 N·cm into metal threads and 35-60 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M3

  • The bioprinter M3 reference is a tube-connector thread spec, not a structural chassis screw; verify before assuming interchangeability with fastener screws.
  • Power-tool gearcase and clamshell screws are usually thread-forming (marked "ST") even when the parts list gives an M-size — a normal machine screw of the same size may not hold in the plastic boss.

Pitch gauge · Screw size finder · Torque guide

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The same screw also fits

Devices whose records share a thread with CELLINK/BICO BIO X Thermoplastic Printhead, closest length match first.

Questions about CELLINK/BICO BIO X Thermoplastic Printhead screws

What size screw does CELLINK/BICO BIO X Thermoplastic Printhead use?
M3 for technical specifications list a 4-mm tube connector with M3 (straight stainless) thread.
How long are the screws in CELLINK/BICO BIO X Thermoplastic Printhead?
None of the sources states a length. Remove one screw and measure it from under the head to the tip (overall for a countersunk head).
What is the thread pitch of an M3 screw?
0.5 mm (coarse), which is the standard pitch for M3 machine screws; a 0.35 mm fine pitch exists but is uncommon. The tap drill is 2.5 mm and the normal clearance hole is 3.4 mm.
What screwdriver do I need for CELLINK/BICO BIO X Thermoplastic Printhead?
The sources do not name the drive. For M3, Phillips heads normally take PH1 and Torx heads T10; socket heads take a 2.5 mm hex key.
Can I use an imperial screw instead of M3?
No. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3. Use a true M3 screw so it does not cross-thread or strip the hole.