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Slot drill hole size?

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Ian P26/11/2020 16:13:16
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2747 forum posts
123 photos

Hole with flat bottom, why not just use a flat bottom drill?

Seems to be a standard engineering cutting tool, one suggested use is starting a hole on a curved surface (not with a pistol drill I hope!).

Link below is to a carbide one but presumably HSS are made

Flat Bottom Drill

Ian P

Andrew Johnston26/11/2020 16:37:08
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7061 forum posts
719 photos

Given it's a pivot hole for a motor, presumably with little or no axial loading, I'd just drill a hole and be done with it.

Andrew

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