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Muskokamike

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Reply with quote  #1 
Ever drilled a hole using a hole saw then found out it was too small? Without the center drill bit it's pretty much impossible to get the larger hole saw to cut properly...you could try and glue in the piece you cut out but you've lost the kerf of the saw so it is too small.

I was stuck onsite one time with just this problem...then came up with this:

All you do is put the smaller hole saw, inside the larger one and thread them both on the shaft of the arbor...the smaller hole saw fits into the hole and guides the larger one.....

This also works great for drilling holes with a shoulder....drill the smaller one first...stack them up, then re-drill creating a shoulder.....

hole saw.JPG 

Ken Martin

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Reply with quote  #2 

Good Tip.
Thanks for Sharing.

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Kenneth W Martin
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phantom scroller

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Reply with quote  #3 
Great idea thanks for sharing.[thumb]
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Muskokamike

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Reply with quote  #4 
Just an update: I needed a slightly bigger shoulder on the hole I was cutting, so I just added the next size up hole saw....worked fine too....
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