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Reply to "Advice on a reliable method for making starter holes in diecast hopper frames"

All good ideas.  You do know you do not have to whack it like you were driving a nail?  Try "taptaptap". Or get one of those good "General" spring-loaded center punches, back the cap all the way off, and hold it in place with your finger for a very small dimple.  A #56 drill does not need much of a dimple.

Also use cutting fluid, once you get the drill started.  If you use a jig, start out with cutting fluid.

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