HP 8569B Spectrum Analyzer (Laboratory/Imaging) screw size
M1.2 · length not stated in the sources
If you are replacing a screw on HP 8569B Spectrum Analyzer (Laboratory/Imaging), the thread is M1.2. None of the sources we found gives an exact length, so measure the original before you order.
The record covers metric screws used for front panel rotary switch repairs.
This entry is marked confirmed and comes from simonsdialogs.com.
For reference, M1.2 is 1.2 mm across the threads at 0.25 mm pitch. The imperial size people confuse it with: #0-80 UNF (1.52 mm) is the closest imperial screw, but it is bigger — not a substitute.
HP 8569B Spectrum Analyzer (Laboratory/Imaging) 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 |
|---|---|---|---|---|---|---|
| M1.2 | not stated | 0.25 mm | not stated | not stated | Metric screws used for front panel rotary switch repairs | Confirmed |
Fitment records and sources
Metric screws used for front panel rotary switch repairs
pitch 0.25 mm · tap 0.95 mm · clearance 1.4 mm · PH000 / JIS 00 / Torx T1–T2
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 M1.2 screw measures about 1.2 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.25 mm from one thread crest to the next (40 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 M1.2 heads take PH000 / JIS 00 for Phillips and T1–T2 for Torx; 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 M1.2 is about 5-8 N·cm into metal threads and 3-5 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M1.2
- M1.2 and M1.4 look identical in an eyeglass repair kit — the wrong one strips soft acetate or metal hinges.
More in Cameras & Optics
The same screw also fits
Devices whose records share a thread with HP 8569B Spectrum Analyzer (Laboratory/Imaging), closest length match first.
- Camera lens grub/set screws (rangefinder & vintage lens mounts) also M1.2
- Sunglasses temple tip / end piece also M1.2
- Micro FPV / tiny-whoop drones also M1.2
- FPV camera lens mounts also M1.2
- Eyeglass hinge / eyewire screw also M1.2
- Eyeglasses/optical hinge screws (also used in miniature electronics) also M1.2
- Spectacle frame hinge/temple screws (ISO 11381 standard) also M1.2
- Eyeglass frame hinge/temple screws (industry standard) also M1.2
Questions about HP 8569B Spectrum Analyzer (Laboratory/Imaging) screws
- What size screw does HP 8569B Spectrum Analyzer (Laboratory/Imaging) use?
- M1.2 for metric screws used for front panel rotary switch repairs.
- How long are the screws in HP 8569B Spectrum Analyzer (Laboratory/Imaging)?
- 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 M1.2 screw?
- 0.25 mm (coarse), which is the standard pitch for M1.2 machine screws. The tap drill is 0.95 mm and the normal clearance hole is 1.4 mm.
- What screwdriver do I need for HP 8569B Spectrum Analyzer (Laboratory/Imaging)?
- The sources do not name the drive. For M1.2, Phillips heads normally take PH000 / JIS 00 and Torx heads T1–T2.
- Can I use an imperial screw instead of M1.2?
- No. Imperial look-alike: #0-80 UNF (1.52 mm) is the closest imperial screw, but it is bigger — not a substitute. Use a true M1.2 screw so it does not cross-thread or strip the hole.