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Bezzera Giulia espresso machine screw size

M4 · 12 to 13 mm long

Bezzera Giulia espresso machine takes M4 metric screws in lengths from 12 to 13 mm.

There are 2 separate fitment records for it, including tapping screw securing cups-heater pipe/grid assembly (M4) and TCEI (socket head) screw securing right lateral panel (M4).

2 of the 2 records are marked confirmed, drawn from 1 source (yumpu.com).

An M4 screw is 4 mm in diameter with a 0.7 mm pitch, tapped with a 3.3 mm drill; imperial look-alike: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same.

Bezzera Giulia espresso machine 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
M413 mm0.7 mmnot statednot statedtapping screw securing cups-heater pipe/grid assemblyConfirmed
M412 mm0.7 mmnot statednot statedTCEI (socket head) screw securing right lateral panelConfirmed

Fitment records and sources

M413mmconfirmed

tapping screw securing cups-heater pipe/grid assembly

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

M412mmconfirmed

TCEI (socket head) screw securing right lateral panel

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

How to check the screw before you buy

  1. Unplug the appliance and discharge any capacitors before removing covers.
  2. Diameter: across the threads an M4 screw measures about 4 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 0.7 mm from one thread crest to the next (14.29 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 records span 12–13 mm, which means different positions take different lengths — match each hole to its own screw.
  6. Driver: the source does not name the drive. Standard M4 heads take PH2 for Phillips and T20 for Torx, and a 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 M4 is about 2.0-3.0 N·m into metal threads and 0.8-1.4 N·m into plastic bosses; snug it up and stop.

Common mix-ups with M4

  • Water heater elements use pipe threads (NPSM/NPT), not metric machine screws.
  • Most HVAC chassis hardware in US-market units is imperial; metric shows up mainly on European-made components.

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 Bezzera Giulia espresso machine, closest length match first.

Questions about Bezzera Giulia espresso machine screws

What size screw does Bezzera Giulia espresso machine use?
M4 × 13 mm for tapping screw securing cups-heater pipe/grid assembly; M4 × 12 mm for TCEI (socket head) screw securing right lateral panel.
How long are the screws in Bezzera Giulia espresso machine?
The records range from 12 to 13 mm depending on the position, so match each screw to its own hole.
What is the thread pitch of an M4 screw?
0.7 mm (coarse), which is the standard pitch for M4 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 3.3 mm and the normal clearance hole is 4.5 mm.
What screwdriver do I need for Bezzera Giulia espresso machine?
The sources do not name the drive. For M4, Phillips heads normally take PH2 and Torx heads T20; socket heads take a 3 mm hex key.
Can I use an imperial screw instead of M4?
No. Imperial look-alike: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same. Use a true M4 screw so it does not cross-thread or strip the hole.