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  1. M

    Help With Alignment Pin Hole Drilling

    Greetings, I've been trying to solve an issue with drilling alignment pin holes on my small aluminum molds. I have tried g-code (circular interpolation) on my mill, and it made ovals (out by about .002-.0015"). Then I decided to try using HSS drill bits. Dowel Pin Diameter: 5mm (.1969")...
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