1/4in shaft and 6mm knob fit question?

[maggiesnmacs]

I was planning on using this knob

Medium Plastic Receiver / Amp Knob 0.61" - Silver

With this potentiometer

25K Audio Taper Potentiometer 1/4" Shaft

But I wasn't sure if there's a fit difference since the pot is 1/4in while the knob is 6mm...I assume it would work but wanted to double check before I screw it up haha

 

[Bare]

Nope.. No go!
Knob is for a D shaft Pot is a full round shaft

 

[llwhtt]

Usually they won't fit, 1/4" is 6.35mm, need to drill out the knob. Been there, done that.

Craig

 

[sreten]

Hi,

Hard to drill out concentric, and no way to grip the shaft.
Collet knobs * are your best bet for plain shafts.

rgds, sreten.

* Flip top with a nut underneath that tightens a collet.

 

[llwhtt]

I didn't look to see what kind of knob it was, obviously a round shaft and "D" hole won't work. Knobs with 6mm holes usually don't work with 1/4" shafts.

Craig

 

[Ian Finch]

The description does call attention to this 😱:

For use with 6 mm half-round shaft, small indicator notch....

 

[Welcome]

You need a knob with a set screw, something like this:

1pcs 25x20 Aluminum Audio CD Volume Tone Control Solid Rotary Knob 1 4" Shaft | eBay