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Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts) screw size

M2 · 1.5 mm long

Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts) takes M2 metric screws, 1.5 mm long.

The record covers set Screw M2.0 x 1.5mm, slit + top, listed as a repair part for surgical instruments.

Head and drive, as the source states them: set screw (headless) head.

This entry is marked confirmed and comes from shop.danmed.de.

M2 means a 2 mm nominal diameter with a 0.4 mm thread pitch. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable.

Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts) 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
M21.5 mm0.4 mmSet screw (headless)not statedSet Screw M2.0 x 1.5mm, slit + top, listed as a repair part for surgical instrumentsConfirmed

Fitment records and sources

M21.5mmconfirmed

Set Screw M2.0 x 1.5mm, slit + top, listed as a repair part for surgical instruments

pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6

How to check the screw before you buy

  1. Keep material and finish the same as the original (often stainless) on equipment that is cleaned or sterilised.
  2. Diameter: across the threads an M2 screw measures about 2 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 0.4 mm from one thread crest to the next (25 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
  4. Length: for set screw (headless) screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
  5. The record states 1.5 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 M2 heads take PH0 for Phillips and T6 for Torx, and a 1.5 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 M2 is about 25-40 N·cm into metal threads and 12-20 N·cm into plastic bosses; snug it up and stop.

Common mix-ups with M2

  • DJI airframes mix 1.5mm/2mm hex and Phillips drives at similar diameters — check the drive type, not just the thread.
  • M2 (2.00mm, 0.4mm pitch) is NOT the same as #2-56 UNC (2.18mm) — close enough to cross-thread and strip if forced.

Pitch gauge · Screw size finder · Torque guide

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Questions about Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts) screws

What size screw does Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts) use?
M2 × 1.5 mm for set Screw M2.0 x 1.5mm, slit + top, listed as a repair part for surgical instruments.
How long are the screws in Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts)?
The record gives 1.5 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
What is the thread pitch of an M2 screw?
0.4 mm (coarse), which is the standard pitch for M2 machine screws; a 0.25 mm fine pitch exists but is uncommon. The tap drill is 1.6 mm and the normal clearance hole is 2.4 mm.
What screwdriver do I need for Surgical instrument set screw (rigid endoscope/laparoscopic instrument repair parts)?
The sources do not name the drive. For M2, Phillips heads normally take PH0 and Torx heads T6; socket heads take a 1.5 mm hex key.
Can I use an imperial screw instead of M2?
No. Imperial look-alike: #2-56 UNC (2.18 mm) is close but not interchangeable. Use a true M2 screw so it does not cross-thread or strip the hole.