When the first hole is drilled and finished the blocks are reset up for the second one and all repeated again, It is best to go in a few times with the D bit to take out the spring in the tool ,specially at the nose of the mould, it`s cutting a large area. All is revealed when you remove then from the chuck and you can see what you have got,,Homebrew.357.
, Other hole lined up.
, Small drill in.
, D bit working.
, Now you see what you have got, A paper patched mould.
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