Canadian Solar standard PV modules screw size
M5 · length not stated in the sources
Our records put Canadian Solar standard PV modules on M5 screws. None of the sources we found gives an exact length, so measure the original before you order.
Where it is used: M5 stainless cap bolt with flat washer, cup washer and nut for the frame grounding kit.
This entry is marked confirmed and comes from canadiansolar.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.
Canadian Solar standard PV modules 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 | not stated | 0.8 mm | not stated | not stated | M5 stainless cap bolt with flat washer, cup washer and nut for the frame grounding kitstainless, washer / flange face | Confirmed |
Fitment records and sources
M5 stainless cap bolt with flat washer, cup washer and nut for the frame grounding kit
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- If several screws hold the same part, check that they are all the same length before assuming they are.
- 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.
- 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
- Commercial washer-extractor cabinets mix DIN 933 (hex head, full thread) and DIN 84A (slotted pan/cheese head) M5 screws for different panels on the same machine line, so a single family/brand isn't consistent across all fasteners.
- Carbon bosses strip easily: 2-4 Nm torque and the right length so the bolt doesn't bottom out.
More in Standards & References
The same screw also fits
Devices whose records share a thread with Canadian Solar standard PV modules, closest length match first.
- Beckhoff AMP8x3x distributed servo drive flange mounting also M5
- ABB REX640 protection & control relay also M5
- HBM VKK1-4A load cell junction box also M5
- DIN 912 socket-head cap screw also M5
- DIN 965 / ISO 7046 countersunk Phillips screw also M5
- Snare drum strainer butt plate mounting screws also M5
- Milwaukee M18 FUEL chainsaw (54-40-1640) also M5
- Voron gantry and frame joints also M5
Questions about Canadian Solar standard PV modules screws
- What size screw does Canadian Solar standard PV modules use?
- M5 for M5 stainless cap bolt with flat washer, cup washer and nut for the frame grounding kit.
- How long are the screws in Canadian Solar standard PV modules?
- 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 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 Canadian Solar standard PV modules?
- 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.