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Motorcycle/scooter turn signal indicator mounting bolt screw size

M6 · 15 mm long

Motorcycle/scooter turn signal indicator mounting bolt takes M6 metric screws, 15 mm long.

Where it is used: indicator Mounting Bolt/Nut, universal fitment for Chinese-brand scooters/motorcycles (Baotian, Lifan, Lexmoto, Jinlun, Jailing).

This entry is marked confirmed and comes from cmpoparts.com.

An M6 screw is 6 mm in diameter with a 1 mm pitch, tapped with a 5 mm drill; imperial look-alike: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6.

Motorcycle/scooter turn signal indicator mounting bolt 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
M615 mm1 mmnot statednot statedIndicator Mounting Bolt/Nut, universal fitment for Chinese-brand scooters/motorcycles (Baotian, Lifan, Lexmoto, Jinlun, Jailing)Confirmed

Fitment records and sources

M615mmconfirmed

Indicator Mounting Bolt/Nut, universal fitment for Chinese-brand scooters/motorcycles (Baotian, Lifan, Lexmoto, Jinlun, Jailing)

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

How to check the screw before you buy

  1. Rack and enclosure hardware mixes metric and imperial (#8-32, #10-32, #6-32), so confirm the thread before forcing a screw.
  2. Diameter: across the threads an M6 screw measures about 6 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 1 mm from one thread crest to the next (10 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 record states 15 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 M6 heads take PH3 for Phillips and T30 for Torx, and a 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 M6 is about 7-10 N·m into metal threads and 2.5-4.0 N·m into plastic bosses; snug it up and stop.

Common mix-ups with M6

  • 19-inch racks are not all metric: 10-32 and 12-24 UNC are still the norm in North America, with M6 the metric/square-hole cage-nut option.
  • The same StarTech universal projector mount ships with M3, M4, M5, and M6 screw sets simultaneously so the installer can pick whichever matches the projector's own threaded inserts — metric size is projector-dependent, not mount-dependent.

Pitch gauge · Screw size finder · Torque guide

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The same screw also fits

Devices whose records share a thread with Motorcycle/scooter turn signal indicator mounting bolt, closest length match first.

Questions about Motorcycle/scooter turn signal indicator mounting bolt screws

What size screw does Motorcycle/scooter turn signal indicator mounting bolt use?
M6 × 15 mm for indicator Mounting Bolt/Nut, universal fitment for Chinese-brand scooters/motorcycles (Baotian, Lifan, Lexmoto, Jinlun, Jailing).
How long are the screws in Motorcycle/scooter turn signal indicator mounting bolt?
The record gives 15 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
What is the thread pitch of an M6 screw?
1 mm (coarse), which is the standard pitch for M6 machine screws; a 0.75 mm fine pitch exists but is uncommon. The tap drill is 5 mm and the normal clearance hole is 6.6 mm.
What screwdriver do I need for Motorcycle/scooter turn signal indicator mounting bolt?
The sources do not name the drive. For M6, Phillips heads normally take PH3 and Torx heads T30; socket heads take a 5 mm hex key.
Can I use an imperial screw instead of M6?
No. Imperial look-alike: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6. Use a true M6 screw so it does not cross-thread or strip the hole.