[pianotech] Size of Pinblock Drill bit?

Euphonious Thumpe lclgcnp at yahoo.com
Thu Mar 7 18:59:59 MST 2013


Which is why someone needs to make a 2-step drill! (Fatter at top than at bottom.) Then one's gizmo of choice could be left in-situ, for the whole operation.

Thumpe
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