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Segway-Ninebot Dashboard assembly screws (6 pcs) screw size

M4 · length not stated in the sources

Our records put Segway-Ninebot Dashboard assembly screws (6 pcs) on M4 screws. None of the sources we found gives an exact length, so measure the original before you order.

It is listed for distributor kit: size M4, 2.5mm Allen key.

Head and drive, as the source states them: Hex socket (Allen) drive.

This entry is marked reported and comes from ninebot.com.sg.

For reference, M4 is 4 mm across the threads at 0.7 mm pitch. The imperial size people confuse it with: #8-32 (4.17 mm) — the standard US PC/rack screw, close but not the same.

Segway-Ninebot Dashboard assembly screws (6 pcs) 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
M4not stated0.7 mmnot statedHex socket (Allen)Distributor kit: size M4, 2.5mm Allen keyReported

Fitment records and sources

M4not statedreported

Distributor kit: size M4, 2.5mm Allen key

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

How to check the screw before you buy

  1. Where the manufacturer publishes a torque value, use a torque driver rather than feel.
  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. Driver: the source names a Hex socket (Allen) drive. For comparison, standard M4 heads take PH2 (Phillips) or T20 (Torx), or a 3 mm hex key.
  6. 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

  • US-made pinball machines (Williams/Bally/Stern) overwhelmingly use imperial UTS threads (#6-32, #8-32, #10-32); explicit metric threads only appear on newer/import components such as Jersey Jack Pinball's Hobbit Smaug assembly (M3).
  • M4 and 6-32 UNC share a nominal diameter with different pitch — a classic cross-thread in US-market kits.

Pitch gauge · Screw size finder · Torque guide

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Questions about Segway-Ninebot Dashboard assembly screws (6 pcs) screws

What size screw does Segway-Ninebot Dashboard assembly screws (6 pcs) use?
M4 for distributor kit: size M4, 2.5mm Allen key.
How long are the screws in Segway-Ninebot Dashboard assembly screws (6 pcs)?
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 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 Segway-Ninebot Dashboard assembly screws (6 pcs)?
The source lists a Hex socket (Allen) drive. Standard M4 heads otherwise take PH2 (Phillips) or T20 (Torx), or 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.