Handlebar accessory clamps screw size
M5 · 8 to 14 mm long
If you are replacing a screw on Handlebar accessory clamps, the thread is M5 in lengths from 8 to 14 mm.
The record covers bells, lights and computer mounts.
This entry is marked reported.
An M5 screw is 5 mm in diameter with a 0.8 mm pitch, tapped with a 4.2 mm drill; imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
Handlebar accessory clamps 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 |
|---|---|---|---|---|---|---|
| M5 | 8–14 mm | 0.8 mm | not stated | not stated | bells, lights and computer mounts | Reported |
Fitment records and sources
bells, lights and computer mounts
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- Take one original screw out first and measure it before ordering; the record above tells you the thread, the original screw tells you the exact length and head.
- 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: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
- The records span 8–14 mm, which means different positions take different lengths — match each hole to its own screw.
- 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.
- Tightening: no device-specific torque is published in these records. The site's general figure for M5 is about 4.0-6.0 N·m into metal threads and 1.5-2.5 N·m into plastic bosses; snug it up and stop.
Common mix-ups with M5
- Truss and stage-light clamps use M8 or M10 bolts depending on tube diameter — larger than anything in this database, so don't substitute an M6.
- The 'GoPro thread' is M5-0.8, a de facto standard on third-party mounts, and is not the imperial 1/4-20 tripod thread.
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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M5 x 12mm Black Wafer Head Cut-off Saw Screws for STIHL TS400 Cut-off Saw (replaces IS-M5x12 9022 341 0960) – 10-Pack Replacement
$5.99Choose size -
M5 x 12mm Black Wafer Head Generator Cover Screws for Honda EM, EB, EG Generators & EU3200i (replaces 90102-Z21-000) – 10-Pack Replacement
$5.99Choose size
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Devices whose records share a thread with Handlebar accessory clamps, closest length match first.
- Tama percussion / gong bass drum lug (part 7592) also M5 × 14 mm
- Disc brake caliper post-mount adapters also M5 × 12–14 mm
- Husqvarna chainsaw/brushcutter hardware also M5 × 8–14 mm
- TEKTELIC Kona Photon Gen-2 LoRaWAN gateway also M5 × 14 mm
- Fanatec Wheel Hub (quick release) also M5 × 14 mm
- Motorola MOTOTRBO XPR5350 / XPR5550 mobile radio also M5 × 9.9 mm
- Bicycle water bottle cage bolts also M5 × 12 mm
- Triumph Thruxton fairing side and bottom panels also M5 × 11 mm
Questions about Handlebar accessory clamps screws
- What size screw does Handlebar accessory clamps use?
- M5 × 8–14 mm for bells, lights and computer mounts.
- How long are the screws in Handlebar accessory clamps?
- The records range from 8 to 14 mm depending on the position, so match each screw to its own hole.
- 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 Handlebar accessory clamps?
- 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.