I use a 5mm brad point drill in a bench drill, I find the last 1/2mm ring usually comes out on its own or I can lift it out with a dental style pick. I get my abalone dots from Realtone in Brisbane.
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I use a 5mm brad point drill in a bench drill, I find the last 1/2mm ring usually comes out on its own or I can lift it out with a dental style pick. I get my abalone dots from Realtone in Brisbane.