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Step 2Fasten the grounding bar to a surface
All you need to do is make 3 holes with a hand drill into the surface you want to become the body of the instrument.
The screws shown in the photo are hex head 10-32 machine screws. They are used in the thumb piano shown in Step 9 by using a tap to thread the holes. Otherwise, these need washers and nuts to tighten for anchoring the grounding bar, or instead of washers, some kind of plate for the nut to press against. Smaller and different types of machine screws could be used adding washers and maybe lock washers as needed.
If you are going to mount the bar on wood or thin metal like a tin can, then you may only need a hammer and nail to make the 3 holes.
With wood, just use wood screws or something similar. Nails alone might possibly do the job with a bit of wood glue - start the holes with a nail, add a bit of glue to the holes before driving them firmly.
Heavy duty epoxy, riveting, welding or even slotting a surface with a milling machine or router are some other ways to anchor the bar.
The screws shown in the photo are hex head 10-32 machine screws. They are used in the thumb piano shown in Step 9 by using a tap to thread the holes. Otherwise, these need washers and nuts to tighten for anchoring the grounding bar, or instead of washers, some kind of plate for the nut to press against. Smaller and different types of machine screws could be used adding washers and maybe lock washers as needed.
If you are going to mount the bar on wood or thin metal like a tin can, then you may only need a hammer and nail to make the 3 holes.
With wood, just use wood screws or something similar. Nails alone might possibly do the job with a bit of wood glue - start the holes with a nail, add a bit of glue to the holes before driving them firmly.
Heavy duty epoxy, riveting, welding or even slotting a surface with a milling machine or router are some other ways to anchor the bar.
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