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Rexel S16 paper shredder screw size

M3 / M4 / M5 / M6 · 10 to 40 mm long

Rexel S16 paper shredder takes M3, M4, M5 and M6 metric screws in lengths from 10 to 40 mm.

There are 8 separate fitment records for it, including M3 x 16 and M3 x 20 pozi pan screws in illustrated parts list (M3), M3 x 20 Pozi pan (x2) and M3 x 16 Pozi pan (x4) screws (M3) and M4 x 12 countersunk and M4 x 30 pozi pan screws (M4), plus 5 more in the table below.

Head and drive, as the sources state them: pan, flat / countersunk, set screw (headless) and socket cap heads and Pozidriv drive.

8 of the 8 records are marked confirmed, drawn from 2 sources (shreddingmachines.co.uk and qimingmachinery.com).

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.

Rexel S16 paper shredder 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
M316–20 mm0.5 mmPan headPozidrivM3 x 16 and M3 x 20 pozi pan screws in illustrated parts listConfirmed
M316–20 mm0.5 mmPan headPozidrivM3 x 20 Pozi pan (x2) and M3 x 16 Pozi pan (x4) screwsConfirmed
M412–30 mm0.7 mmFlat / countersunkPozidrivM4 x 12 countersunk and M4 x 30 pozi pan screwsConfirmed
M430 mm0.7 mmPan headPozidrivM4 x 30 Pozi pan screws (x2)Confirmed
M510–12 mm0.8 mmSet screw (headless)PozidrivM5 x 12 pozi head screw and M5 x 10 socket set screwConfirmed
M510–20 mm0.8 mmSocket capPozidrivM5 x 12 Pozi head (x4), M5 x 20 socket cap (x2) and M5 x 10 socket set screwConfirmed
M612–40 mm1 mmnot statednot statedM6 hex head screws from 12 to 40mm across chassis and cutter assemblyConfirmed
M612–40 mm1 mmnot statednot statedM6 x 12 (x11), M6 x 16 (x2), M6 x 20, M6 x 30 (x4) and M6 x 40 (x4) hex head screwsConfirmed

Fitment records and sources

M316-20mmconfirmed

M3 x 16 and M3 x 20 pozi pan screws in illustrated parts list

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

M316-20mmconfirmed

M3 x 20 Pozi pan (x2) and M3 x 16 Pozi pan (x4) screws

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

M412-30mmconfirmed

M4 x 12 countersunk and M4 x 30 pozi pan screws

pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20

M430mmconfirmed

M4 x 30 Pozi pan screws (x2)

pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20

M510-12mmconfirmed

M5 x 12 pozi head screw and M5 x 10 socket set screw

pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25

M510-20mmconfirmed

M5 x 12 Pozi head (x4), M5 x 20 socket cap (x2) and M5 x 10 socket set screw

pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25

M612-40mmconfirmed

M6 hex head screws from 12 to 40mm across chassis and cutter assembly

pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30

M612-40mmconfirmed

M6 x 12 (x11), M6 x 16 (x2), M6 x 20, M6 x 30 (x4) and M6 x 40 (x4) hex head screws

pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30

How to check the screw before you buy

  1. Check whether the mount uses a VESA pattern or a vendor bracket before buying screws.
  2. Diameter: across the threads an M3 screw measures about 3 mm with calipers (usually a hair under). This device also uses M4 / M5 / M6, so measure each screw rather than assuming they match.
  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: the source describes a countersunk (flat) head, and those are measured overall, from the top of the head to the tip.
  5. The records span 10–40 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source names a Pozidriv drive. For comparison, standard M3 heads take PH1 (Phillips) or T10 (Torx), or a 2.5 mm hex key.
  7. 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 / M4 / M5 / M6

  • Blender, toothbrush and shaver teardowns list Torx/Phillips bit sizes only; a T8 bit tells you nothing about the thread.
  • Not all telescope/finder hardware is metric — Celestron Edge/NexStar SE finder-shoe and dovetail screws are reported as 8/32 (imperial UNC), so metric M4/M5 fitments cannot be assumed across all Celestron products; must check per accessory/vintage.
  • GoPro also uses M5 for its classic two-prong mount thumbscrew and buckle system, while smaller GoPro chassis screws are commonly Torx-driven without a confirmed metric thread in available sources — don't conflate the mount thumbscrew size with internal chassis screws.
  • Astro dovetail hardware is inconsistent: Losmandy-brand dovetail plate screws are 1/4-20 (imperial) per Losmandy/Astro-Physics documentation, while PrimaLuceLab's PLUS-standard dovetails explicitly use M6 — don't assume metric across all 'Losmandy-style' dovetail ecosystems.

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 Rexel S16 paper shredder, closest length match first.

Questions about Rexel S16 paper shredder screws

What size screw does Rexel S16 paper shredder use?
M3 × 16–20 mm for M3 x 16 and M3 x 20 pozi pan screws in illustrated parts list; M3 × 16–20 mm for M3 x 20 Pozi pan (x2) and M3 x 16 Pozi pan (x4) screws; M4 × 12–30 mm for M4 x 12 countersunk and M4 x 30 pozi pan screws; M4 × 30 mm for M4 x 30 Pozi pan screws (x2); M5 × 10–12 mm for M5 x 12 pozi head screw and M5 x 10 socket set screw; M5 × 10–20 mm for M5 x 12 Pozi head (x4), M5 x 20 socket cap (x2) and M5 x 10 socket set screw; M6 × 12–40 mm for M6 hex head screws from 12 to 40mm across chassis and cutter assembly; M6 × 12–40 mm for M6 x 12 (x11), M6 x 16 (x2), M6 x 20, M6 x 30 (x4) and M6 x 40 (x4) hex head screws.
How long are the screws in Rexel S16 paper shredder?
The records range from 10 to 40 mm depending on the position, so match each screw to its own hole.
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 Rexel S16 paper shredder?
The source lists a Pozidriv drive. Standard M3 heads otherwise take PH1 (Phillips) or T10 (Torx), or 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.