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Any idea what this is called?
Any idea what this is called?
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Old 25th May 2019, 03:55 AM   #1
AllanMarcus is offline AllanMarcus  United States
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Default Any idea what this is called?

This is a volume pot shaft extender.

Click the image to open in full size.

The little nut thing on the right (not the coupler) guides the shaft on the front plate. Any idea what that is called? I would like to buy more of them, hopefully that can support a thicker front plate.

Last edited by AllanMarcus; 25th May 2019 at 03:59 AM.
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Old 25th May 2019, 04:50 AM   #2
sthcoaster is offline sthcoaster  United Kingdom
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Any idea what this is called?
“Through hole bolt”
“Hollow screw”

Something something grommet?
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Old 25th May 2019, 05:04 AM   #3
mickeymoose is offline mickeymoose  Canada
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Keystone (Keystone Electronics Corp. - Keystone Electronics World class manufacturer of interconnect components & hardware) calls them panel bearings, #1706 for 1/8" shaft, #1705 for 1/4" shaft.
Or, if it has to be 6mm, take some old pots apart.
I often use 1/4" nylon snap-in bushings as shaft guides. E

Last edited by mickeymoose; 25th May 2019 at 05:13 AM.
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Old 25th May 2019, 06:44 AM   #4
AllanMarcus is offline AllanMarcus  United States
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Quote:
Originally Posted by mickeymoose View Post
Keystone (Keystone Electronics Corp. - Keystone Electronics World class manufacturer of interconnect components & hardware) calls them panel bearings, #1706 for 1/8" shaft, #1705 for 1/4" shaft.
Or, if it has to be 6mm, take some old pots apart.
I often use 1/4" nylon snap-in bushings as shaft guides. E


Excellent. Thanks!
What 1/4" nylon snap-in bushings do you use? I'm having trouble finding them.

update: I think the 3/8 mounting hole bushing have a 1/4" hole. Confirm?
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Old 25th May 2019, 06:50 AM   #5
scottjoplin is offline scottjoplin  Wales
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Panel Bush 4729 1/4 inch New made by Jackson Brothers BRASS H13 | eBay

20 x 14 mm Panel Bush 1/4 inch New made by Jackson Brothers H329 | eBay

Last edited by scottjoplin; 25th May 2019 at 06:53 AM.
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Old 25th May 2019, 07:05 AM   #6
AllanMarcus is offline AllanMarcus  United States
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Thanks Scott. That really helped, although getting it from the UK is prohibitively expensive.

I found this option for $12 shipped:
https://www.surplussales.com/ShaftHa.../ShaftH-9.html
scroll to Brass Panel Mount Bushing

I'm gonna hit up my local hardware store tomorrow and see what they might have.
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Old 25th May 2019, 07:19 AM   #7
Michael Bean is offline Michael Bean  United States
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If you have some crappy old potentiometers or rotary switches collecting dust or in a junk drawer, just disassemble one of those and use the panel mount bushing from that.

Mike
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Old 25th May 2019, 07:38 AM   #8
JMFahey is offline JMFahey  Argentina
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Glad you solved it.

In case you think you can use 100 of them in a reasonable time, say you build more or less regularly and prefer thick panels where regular/commercial bearings/bushings do not fit, search for a Lathe guy who works with what we call "revolver" lathes, donīt know the English name, maybe "turret" lathes, the point being they have a rotating tool holder, up to 4 different tools,so they can quickly do up to 4 different jobs on bar stock .

The "little nut thing" is turned out of brass hexagonal bar stock.

Custom making these in a special size for you is a piece for cake for them, but they generally ask for 100 units minimum (which they can make in less than 1 hour) to justify setup time.
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Last edited by JMFahey; 25th May 2019 at 07:41 AM.
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Old 25th May 2019, 07:51 AM   #9
jimk04 is offline jimk04  United Kingdom
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They're a bit like 'gland'....where you pass wires through into a connection box.
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Old 25th May 2019, 02:54 PM   #10
mickeymoose is offline mickeymoose  Canada
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