Adjustable Picatinny rail threaded insert screw size
M5 · length not stated in the sources
Our records put Adjustable Picatinny rail threaded insert on M5 screws. None of the sources we found gives an exact length, so measure the original before you order.
It is listed for M5x0.8 insert for mounting rails through gunstocks.
This entry is marked confirmed and comes from suppressor-thread-adapter.com.
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.
Adjustable Picatinny rail threaded insert 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 | M5x0.8 insert for mounting rails through gunstocks | Confirmed |
Fitment records and sources
M5confirmed
M5x0.8 insert for mounting rails through gunstocks
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
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: 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
- Ski and snowboard binding screws vary by brand and insert system (4x4, Channel, Tyrolia, Marker). Aftermarket suppliers standardise on M5/M6 but OEM screws can be a different pitch.
- 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.
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Devices whose records share a thread with Adjustable Picatinny rail threaded insert, closest length match first.
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- Honda Grom (2024) also M5
- Segway-Ninebot F/F2 Pro/P scooters Hex flat round head chassis screw also M5
- Garden equipment control panels also M5
- Triumph Thruxton harness cable covers also M5
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Questions about Adjustable Picatinny rail threaded insert screws
- What size screw does Adjustable Picatinny rail threaded insert use?
- M5 for M5x0.8 insert for mounting rails through gunstocks.
- How long are the screws in Adjustable Picatinny rail threaded insert?
- 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 Adjustable Picatinny rail threaded insert?
- 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.