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Its hard to tell from the photo - are you saying the rectangular section is not a slot but rather is a raised ridge?If it turns easily, try getting a bamboo skewer and slot the end of it with a scalpel.
Just do a search on "security screwdriver set" - there are plenty of these available online and at hardware & electronics store.I've attached a picture of part of my set and the bits that you are probably after (or are they too big? - hard to tell from your photo).Bit sizes shown are: 3, 4 and 6mm across.
I have those bits and the small one might work in a pinch...
What sucks deeply is the people who make those surface mount pots don't make an adjustment tool.
I'm not sure I'm parsing the photo correctly, but don't you just need the negative impression of a regular flat bladed screwdriver? If so that seems common enough, I have at least one in my toolkit,and this trim kit has them:https://www.circuitspecialists.com/8pk-a001.html
Quote from: AF6LJ on April 07, 2016, 03:32:07 amI have those bits and the small one might work in a pinch...Yes, I was thinking later, after I had posted my reply, that these may be on the large size. QuoteWhat sucks deeply is the people who make those surface mount pots don't make an adjustment tool. Indeed! Either they're thinking 'I'm right Jack, I've got my tool' or they expect you to return the unit for service (and not wanting you to do it!). If you can't find the right tool, I think sleemanj and Ian.M's solutions would work well without too much effort. Edit: Just found this tool (crap picture so I'm not positive it is what you want but you could contact them to find out). http://www.barnoelec.com/63doendhexto.html
Ah now I understand! This competition is harder to win than a keysight giveaway
So if it is machine adjustable, the correct alignment tool is an expensive machine... Sure you still want the proper tool? I have random fork ended tools in the garage but none would be classed as proper alignment tools. Found this for you from an electronics supplier, but, again it's not a proper alignment tool.
Doh! I wasn't even looking at the right part.
For something like that, which I only have to do once in a while, I take a sewing needle (plastic one) and use a needle file to get the right shape on the end. Place a small rubber sleeve on the end to grip with and you have the right tool. If I know I will need it in that particular place again I generally use some magic tape to stick it inside the case so I can use it again.Cheap and easy to make each time you need one.
There is a blade needed to turn the pot however it is offset from the center and rotates around the indentation in the center of the pot.