SPD-SL / Look 3-hole cycling cleats screw size
M5 · 10 to 20 mm long
If you are replacing a screw on SPD-SL / Look 3-hole cycling cleats, the thread is M5 in lengths from 10 to 20 mm.
It is listed for flanged M5 cleat screws with 4 mm hex drive.
This entry is marked confirmed and comes from form-bikefitting.com.
For reference, M5 is 5 mm across the threads at 0.8 mm pitch. The imperial size people confuse it with: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
SPD-SL / Look 3-hole cycling cleats 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 | 10–20 mm | 0.8 mm | not stated | not stated | Flanged M5 cleat screws with 4 mm hex drivewasher / flange face | Confirmed |
Fitment records and sources
Flanged M5 cleat screws with 4 mm hex drive
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- On vehicles and bikes, use the original strength class and finish; outdoor hardware is usually stainless or coated to resist corrosion.
- 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 10–20 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
- Shimano SPD cleat bolts are widely sold as M5 x 8, but Shimano's own dealer manuals don't state the thread — check the old bolt.
- 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.
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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Devices whose records share a thread with SPD-SL / Look 3-hole cycling cleats, closest length match first.
- Bicycle water bottle cage bolts also M5 × 16 mm
- Triumph Thruxton fairing side and bottom panels also M5 × 11 mm
- Motorcycle fairing bolts also M5 × 12–20 mm
- Kick scooter clamp and folding hardware also M5 × 10–20 mm
- Six-bolt disc brake rotor also M5 × 10 mm
- Segway-Ninebot Max Pro 2.2 e-scooter stem also M5 × 12 mm
- Car door trim panel also M5 × 10–16 mm
- Bicycle bottle cage boss also M5 × 10–18 mm
Questions about SPD-SL / Look 3-hole cycling cleats screws
- What size screw does SPD-SL / Look 3-hole cycling cleats use?
- M5 × 10–20 mm for flanged M5 cleat screws with 4 mm hex drive.
- How long are the screws in SPD-SL / Look 3-hole cycling cleats?
- The records range from 10 to 20 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 SPD-SL / Look 3-hole cycling cleats?
- 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.