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3 piece Titanium Step Drill set from Princess Auto
Posted: Wed Dec 22, 2021 5:55 pm
by retiredVTT
Ok..we all appreciate good deals...but this one is a crazy good deal from our PA friends ...this set should be in all RC flight boxes.
https://www.princessauto.com/en/3-pc-ti ... 0008225401
Re: 3 piece Titanium Step Drill set from Princess Auto
Posted: Thu Dec 23, 2021 10:56 am
by saboo
These are great bits for drilling sheet metal. They seldom make an out of round hole like a conventional bit. They are the only bit that I have regularly been able to use for drilling stainless steel. Ordinary drill bits just wander and leave a little track. These have a nitride finish which is as hard as many stainless steels, so they are a good choice.