Kayak track screw and nut kit screw size
M6 · 28 mm long
The screws used on Kayak track screw and nut kit are M6, 28 mm long.
The record covers kit listed as M6 x 28mm kayak rail stainless T screws.
This entry is marked reported and comes from amazon.com.
For reference, M6 is 6 mm across the threads at 1 mm pitch. The imperial size people confuse it with: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6.
Kayak track screw and nut kit 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 |
|---|---|---|---|---|---|---|
| M6 | 28 mm | 1 mm | not stated | not stated | Kit listed as M6 x 28mm kayak rail stainless T screwsstainless | Reported |
Fitment records and sources
Kit listed as M6 x 28mm kayak rail stainless T screws
pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30
How to check the screw before you buy
- Board standoffs and enclosure bosses set the usable length: the screw should clamp the board without bottoming in the standoff.
- 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.
- 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.
- Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
- The record states 28 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 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.
- 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
- Rack hole threads vary: 10-32 and 12-24 are still common in US racks alongside M6 - check the rail before buying.
- 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.
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Devices whose records share a thread with Kayak track screw and nut kit, closest length match first.
- Wurth Elektronik WA-SSTIE steel spacer stud also M6 × 28 mm
- Weight bench frame also M6 × 28 mm
- FJD 3D Excavator Guidance System (GNSS/IMU hardware) also M6 × 28 mm
- Power wheelchair drive motor mounts also M6 × 28 mm
- Electrolux Professional compact rack-type dishwasher also M6 × 28 mm
- Yamaha F25 / T25 outboard motor also M6 × 28 mm
- Weight machine adjustment brackets also M6 × 28 mm
- Furniture leveling foot also M6 × 28 mm
Questions about Kayak track screw and nut kit screws
- What size screw does Kayak track screw and nut kit use?
- M6 × 28 mm for kit listed as M6 x 28mm kayak rail stainless T screws.
- How long are the screws in Kayak track screw and nut kit?
- The record gives 28 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 Kayak track screw and nut kit?
- 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.