Spark Gap

Danger! High Voltage!
Fits:
M5 .80 20 screw and nut
(Medium Size)
*Be sure to file down the bolt for burs that would interfere with plasma discharge.*
I gave enough room for adding in connectors. also possible corrosion?
I still may make a smaller one? Depends on how hot this one gets.

Please refer to the following link for Spark Gap Distances.
https://www.cirris.com/learning-center/calculators/50-high-voltage-arc-gap-calculator
This setup you can adjust from (0-8.55mm)