How long are the screws in Triumph Thruxton harness cable covers?

The record gives 12 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.

What is the thread pitch of an M5 screw?

0.8 mm (coarse), which is the standard pitch for M5 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 4.2 mm and the normal clearance hole is 5.5 mm.

What screwdriver do I need for Triumph Thruxton harness cable covers?

The sources do not name the drive. For M5, Phillips heads normally take PH2 and Torx heads T25; socket heads take a 4 mm hex key.

Can I use an imperial screw instead of M5?

No. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing. Use a true M5 screw so it does not cross-thread or strip the hole.

How tight should the M5 screw on Triumph Thruxton harness cable covers be?

The source gives 1.5 Nm for left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm.

Triumph Thruxton harness cable covers screw size

M5 · 12 mm long

Triumph Thruxton harness cable covers takes M5 metric screws, 12 mm long.

The record covers left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm.

Head and drive, as the source states them: button head.

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

M5 means a 5 mm nominal diameter with a 0.8 mm thread pitch. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing.

Triumph Thruxton harness cable covers screw specifications

One row per fitment record. Head, drive and torque are shown only where the source states them; pitch is the ISO coarse pitch for the thread.

Thread	Length	Pitch	Head	Drive	Torque	Where it goes	Status
M5	12 mm	0.8 mm	Button head	not stated	1.5 Nm	Left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm	Confirmed

Fitment records and sources

M512mmconfirmed

Left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm

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

Source

How to check the screw before you buy

Where the manufacturer publishes a torque value, use a torque driver rather than feel.
Diameter: across the threads an M5 screw measures about 5 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
Pitch: 0.8 mm from one thread crest to the next (12.5 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
Length: for button head screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
The record states 12 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 M5 heads take PH2 for Phillips and T25 for Torx, and a 4 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.

Common mix-ups with M5

Carbon bosses strip easily: 2-4 Nm torque and the right length so the bolt doesn't bottom out.
Wheelchair and mobility OEM screws specify an exact standard and strength class (ISO 7045 CL4.8, ISO 4762 CL12.9). Matching only the thread size can cause a failure under load.

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 Triumph Thruxton harness cable covers, closest length match first.

Garden equipment control panels also M5 × 12 mm
Bosch e-bike battery mounting/guide bolts also M5 × 12 mm
Cycling shoe cleat bolts also M5 × 12 mm
Shimano BL-M785 hydraulic brake lever also M5 × 12 mm
Mobility scooter battery box screw set also M5 × 12 mm
E-scooter deck & folding covers also M5 × 12 mm
Xiaomi M365 / Ninebot deck cover also M5 × 12 mm
Bike kickstand plates also M5 × 12 mm

Questions about Triumph Thruxton harness cable covers screws

What size screw does Triumph Thruxton harness cable covers use?: M5 × 12 mm for left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm.
How long are the screws in Triumph Thruxton harness cable covers?: The record gives 12 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
What is the thread pitch of an M5 screw?: 0.8 mm (coarse), which is the standard pitch for M5 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 4.2 mm and the normal clearance hole is 5.5 mm.
What screwdriver do I need for Triumph Thruxton harness cable covers?: The sources do not name the drive. For M5, Phillips heads normally take PH2 and Torx heads T25; socket heads take a 4 mm hex key.
Can I use an imperial screw instead of M5?: No. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing. Use a true M5 screw so it does not cross-thread or strip the hole.
How tight should the M5 screw on Triumph Thruxton harness cable covers be?: The source gives 1.5 Nm for left and right cable covers with M5 x 12mm button head fixing at 1.5 Nm.

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