Singer/Bernette/EverSewn/Necchi home sewing machine needle plate screw size
M4 · 6 mm long
Our records put Singer/Bernette/EverSewn/Necchi home sewing machine needle plate on M4 screws, 6 mm long.
Where it is used: genuine needle plate screw explicitly sold and cataloged as M4x6mm, fitting multiple home machine models.
This entry is marked confirmed and comes from singeronline.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.
Singer/Bernette/EverSewn/Necchi home sewing machine needle plate 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.
| Thread | Length | Pitch | Head | Drive | Where it goes | Status |
|---|---|---|---|---|---|---|
| M4 | 6 mm | 0.7 mm | not stated | not stated | Genuine needle plate screw explicitly sold and cataloged as M4x6mm, fitting multiple home machine models | Confirmed |
Fitment records and sources
Genuine needle plate screw explicitly sold and cataloged as M4x6mm, fitting multiple home machine models
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- Frame and motor screws must not reach the motor windings; check the length against the motor's mounting depth.
- 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.
- 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.
- Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
- The record states 6 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- 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.
- 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
- Smart doorbell and lock kits bundle metric machine screws with imperial wood screws in the same bag; the metric ones are rarely labelled.
- Bopla SHR-Z boss screws and Hammond 1591XXF screws look metric but are self-tapping/imperial — don't substitute a machine screw into those bosses.
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Devices whose records share a thread with Singer/Bernette/EverSewn/Necchi home sewing machine needle plate, closest length match first.
- Singer / Bernette / EverSewn / Necchi sewing machines also M4 × 6 mm
- goBILDA metric building system also M4 × 6 mm
- Padlock and safe internals also M4 × 6 mm
- Berkel 330M Slicer base/transmission fastener (short) also M4 × 6 mm
- Meccano boxed sets (modern metric era) and compatible parts also M4 × 6 mm
- Typewriter carriage brackets also M4 × 6 mm
- HP LaserJet family common hardware also M4 × 6 mm
- PC case thumbscrews also M4 × 6 mm
Questions about Singer/Bernette/EverSewn/Necchi home sewing machine needle plate screws
- What size screw does Singer/Bernette/EverSewn/Necchi home sewing machine needle plate use?
- M4 × 6 mm for genuine needle plate screw explicitly sold and cataloged as M4x6mm, fitting multiple home machine models.
- How long are the screws in Singer/Bernette/EverSewn/Necchi home sewing machine needle plate?
- The record gives 6 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- 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 Singer/Bernette/EverSewn/Necchi home sewing machine needle plate?
- 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.