[Amps] Variac knob wanted, with 3/8 hole !

[Alek Petkovic]

Same problem here.

To get me out of the woods, I had a piece of 1" x 3/8"aluminium bar 
lying around. I cut it to length and drilled a 3/8" hole through it and 
then a hole right through the side, to take a M5 tap. I stuck a M5 screw 
in each side, in lieu of grub screws and used the hacksaw to cut a 
groove in the end of the bar, to act as a pointer.

Rough enough and good enough until something better is found.

73, Alek. VK6APK

On 27/09/2018 10:44 AM, Jim Thomson wrote:
> I desperately  require a knob for my small variac.  The shaft is  3/8"  diameter.   The max skirt I can handle is
>
> 3"...and maybe  3.25" max.   At this point  I will use anything I can get my hands on....as long as it has a 3/8" hole for the  3/8"  shaft.
>
>
>
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> I checked  my supply of knobs....and they are all  the usual  1/4".    And none of em can be machined out to 3/8"  either.
>
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> If  anyone could help,  it would be much appreciated.  I just require one knob, thats  it.
>
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>
> Jim  VE7RF
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>    

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