TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7) screw size
M6 · length not stated in the sources
The screws used on TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7) are M6. None of the sources we found gives an exact length, so measure the original before you order.
The record covers 10x M6 thread bores, slotted/countersunk for M6 and 1/4" screws.
Head and drive, as the source states them: flat / countersunk head and Slotted drive.
This entry is marked confirmed and comes from teleskop-express.de.
M6 means a 6 mm nominal diameter with a 1 mm thread pitch. Imperial look-alike: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6.
TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7) 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 | not stated | 1 mm | Flat / countersunk | Slotted | 10x M6 thread bores, slotted/countersunk for M6 and 1/4" screws | Confirmed |
Fitment records and sources
10x M6 thread bores, slotted/countersunk for M6 and 1/4" screws
pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30
How to check the screw before you buy
- Camera and optics hardware often uses short screws into thin threaded plates, so check engagement before tightening fully.
- 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: the source describes a countersunk (flat) head, and those are measured overall, from the top of the head to the tip.
- Driver: the source names a Slotted drive. For comparison, standard M6 heads take PH3 (Phillips) or T30 (Torx), or a 5 mm hex key.
- 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
- TS-Optics Losmandy-style dovetail bars drill through-holes sized to accept either M6 metric screws or 1/4" imperial screws interchangeably in the same countersunk holes.
- Astro dovetail hardware is inconsistent: Losmandy-brand dovetail plate screws are 1/4-20 (imperial) per Losmandy/Astro-Physics documentation, while PrimaLuceLab's PLUS-standard dovetails explicitly use M6 — don't assume metric across all 'Losmandy-style' dovetail ecosystems.
More in Cameras & Optics
The same screw also fits
Devices whose records share a thread with TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7), closest length match first.
- Telescope dovetail rail / mounting plate also M6
- Orion StarMax 127 base mount bolts also M6
- Telescope Vixen dovetail saddle clamp also M6
- Thorlabs circular solid aluminum breadboards (MBR /M) also M6
- iOptron Carbon Fiber Tripod (#8061/8061A) also M6
- TS Optics Losmandy-style dovetail bar, 254mm long flat base (PSL2) also M6
- Vivotek AM-520 camera mounting cap also M6
- Edmund Optics metric post holders also M6
Questions about TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7) screws
- What size screw does TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7) use?
- M6 for 10x M6 thread bores, slotted/countersunk for M6 and 1/4" screws.
- How long are the screws in TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7)?
- 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 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 TS-Optics Losmandy-style dovetail plate, 200mm (L-UP7)?
- The source lists a Slotted drive. Standard M6 heads otherwise take PH3 (Phillips) or T30 (Torx), or 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.