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post #1 of 7 Old 06-03-2010, 07:05 PM Thread Starter
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router bits

Is there a difference between a straight bit and spiral cutter bit? Which would be best for box joints?

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post #2 of 7 Old 06-03-2010, 08:16 PM
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In the router table, I use an up spiral bit for box joints. Up spiral will pull the debris down and out of the cut.
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post #3 of 7 Old 06-03-2010, 09:27 PM
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Quote:
Originally Posted by Gene Howe View Post
In the router table, I use an up spiral bit for box joints. Up spiral will pull the debris down and out of the cut.
Gene,
I never thought of that...

Usually I use a straight bit to cut box joints. I use a back up board to prevent chip out. I'll cut both ends of the sides and then offset the fence set up the width of one cut to cut the front and back. Unless I'm doing a weird width box joint finger, I don't even bother to use the template guide.

Use the right tool for the job.

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post #4 of 7 Old 06-03-2010, 10:37 PM
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JSpiral bits cut cleaner and reduce tearout.
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post #5 of 7 Old 06-03-2010, 11:16 PM
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I made a jig for my table saw to cut box joints and love it. It does a great job and I made it from scraps I had laying around.
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post #6 of 7 Old 06-04-2010, 01:39 AM
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Straight bits chop the wood, spiral bits slice the wood. The result is a smoother cut.
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post #7 of 7 Old 06-04-2010, 12:37 PM Thread Starter
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Thanks for all the info. I guess thats why the spiral bits cost more..lol

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