Reply by David Kirtley

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Posted on How do I drill a VERY precise hole?

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David Kirtley

1286 posts in 2998 days

#1 posted 12-04-2011 05:32 PM

The one thing that I have learned with since I started working with metal is to always use a center drill. If you are not familiar with them:

These short stubby drills will not deflect. Then once you have the hole spotted, follow up with a regular bit.

Since you are drilling wood, I really wouldn’t suggest the drilling up in steps. The guide mentioned by JB is a better way. The reason is that the wood is soft enough that you can cut to the side with drill bits (just not dependably.) Go ahead and go for the full size because it is less likely to deflect. Thicker bits don’t bend like thin ones.

Clamp well and hold everything stable.

-- Woodworking shouldn't cost a fortune:

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