SparkFun will be closed Nov 26th and 27th for the Thanksgiving holiday. Orders placed after 2:00pm MT on the 25th will ship out Monday the 30th.

Member #87769

Member Since: October 26, 2009

Country: United States

  • Round = easy? Well, sorta. That’s larger than ¾", is metric, and a regular drill that large is a bit dicey in a panel. Most of us would drill it ¾", cuss when the hole wasn’t round, then file it out to ~0.79" (20 mm).

    To make it easy, stop by that auction site and get a set of metric step drills for about 30 bucks. Step drills are far better than standard twist drills in sheet metal and aluminum or plastic panels.

    In fact, imperial and metric step drills would be good products for Sparkfun to sell.

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