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Good morning!

I'm building toys out of southern yellow pine and other somewhat brash woods, really anything that I find that I like. When I drill holes for wheel axles I get a lot of tear out and breakage on the back side of the project. I do most of that work on a drill press.

Any suggestions of how to eliminate or at least minimize that? Are some drill bits or types of bits better than others for that?

Thanks in advance for the help.
 

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As others mentioned backer board helps. You should clamp the workpiece to the backer board and need a clean surface on the backer board. Hence you need to move this between drilling.

I find brad point bits will have less tearout than twist drill style but still need a backer board to eliminate tearout.
 

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Use a drill bit with a point, drill until just the point comes through, then flip the work over and finish the hole from the other side. Tape doesn't work, the work would have to be clamped tightly and fit tightly to any backer in order for that to work, you need a new backer for every hole. Always use a fence along with another means of positioning and securing the work, do not hold parts just by hand. If a bit jams, the work will spin and could cause damage to your fingers.
 
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