Synth & Eurorack Parts / DIY

Our Synth & Eurorack Parts / DIY category is a curated list of items that are commonly found in synth/eurorack projects. The items and filters here do not represent our full lineup of parts. If you don't see what you are looking for, check out our main categories or send us a suggestion and we'll look into adding it.
Nut & Washer - Panel, for ⅜" Potentiometers
Replacement nut and washer for pots with a ⅜" bushing diameter.
$0.75
Washer - CTS, Flat, for Potentiometers
Flat washer for 3/8" bushing. Perfect fit for CTS potentiometers. Package of 10.
$1.25
package of 10
Potentiometer Adapter Sleeve - Converts 6mm or 18T shaft to ¼"
This brass adapter sleeve converts a 6mm shaft potentiometer or 18T knurled shaft potentiometer to 1/4" shaft (6.35mm), allowing for 1/4" knobs to be used on a wider range of potentiometers. 1/4" tall.
$0.65
Potentiometer Adapter Sleeve - Converts .125” shaft to ¼"
This nickel-plated brass adapter sleeve converts a 0.125 in. (3.17mm) shaft potentiometer to ¼" shaft (6.35mm), allowing for ¼" knobs to be used on a wider range of potentiometers. The cutout on the sleeve allows the set screw of the knob to secure directly to the shaft of the pot. Depending on the knob used, a longer set screw can be required.
$2.65
Dress Nut - Befaco, Bananuts, for M7 Pots
Larger threaded black Bananuts for mounting potentiometers or other hardware with M7 bushings. These nuts look great beneath smaller sized knobs.
$0.69
Potentiometer Adapter Sleeve - Converts 4mm shaft to 6mm
This nickel-plated steel adapter sleeve converts a 4mm shaft potentiometer to 6mm shaft, allowing for 6mm knobs to be used on a wider range of potentiometers. An additional 6mm to 6.35mm adapter R-VADAPT-25 can then be used to fit 1/4” knobs (sold seperately).
$0.89
Nut - M8x0.75 hex, for potentiometers / switches / jacks
M8 x 0.75 threaded hex nut. For use on potentiometers, switches, and jacks.
$1.25
package of 5
Nut - CTS, 3/8-32, Nickel, for 450 Series Potentiometers
Replacement nut for CTS 450 series potentiometers and others.
  • 3/8-32 threading
  • Sold individually
$0.55
Nut & Washer - Panel, for ⅜" Potentiometers and Jacks
Replacement nut and washer for pots and jacks that feature a ⅜" bushing with 3/8-32 threading. Sold in packs containing 100 nuts and 100 washers.
$25.00
package of 100
Finishing Nut - For ⅜” Jacks and Pots, ⅜”-32 UNEF-2A
Colors Available:
High quality plated ⅜” nuts for jacks and potentiometers. These nuts are perfect for amplifier, pedal and synthesizer builds with high aesthetics or color theming. The ⅜”-32 UNEF-2A threading fits many ⅜” bushing parts such as Switchcraft ¼” jacks and CTS pots.
Starting at $0.64
package of 5
Nut - Switchcraft, Knurled Nut, 3/8”-32
Genuine Switchcraft ⅜” knurled nut commonly used on ¼” jacks. This nickel plated knurled nut has a ⅜”-32 threading and offers a clean look on builds using these nuts. The ⅜”-32 threading fits other hardware with matching threading such as CTS potentiometers.
$0.99