Top Quality Parts for Guitar Effects Pedals and DIY Music Devices. Knobs, Pots, Switches, Kits, LEDs, Enclosures, Jacks, Wire, Resistors, Capacitors, Semiconductors
If you've got a drill-press and fancy clamps, you can get the correct sized OD washers and drill out the centres, if need be.
I did that once to correct/cover a hole in a 1590A build that the step-bit munched on the 1590A and took it for a ride...
I use alpha and gorva 3PDTs both come with the washer gorvas are actually cheaper if I'm getting the enclosures too I use Gojira both Gojira and Fuzzdog are more or less same with p&p etc for the switches