long centerd holes

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Forum topic by trz posted 01-13-2013 03:22 AM 871 views 0 times favorited 3 replies Add to Favorites Watch
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90 posts in 1904 days

01-13-2013 03:22 AM

what’s the best way to bore a centered hole through an 18 in long 3×3 turning blank?

3 replies so far

View crank49's profile


3979 posts in 2389 days

#1 posted 01-13-2013 03:53 AM

Gun Drill

-- Michael: Hillary has a long list of accomplishments, though most DAs would refer to them as felonies.

View JNP's profile


113 posts in 1996 days

#2 posted 01-13-2013 04:40 AM

split it, route a channel in each side and glue it back together?

-- Jeff

View Wildwood's profile


1849 posts in 1553 days

#3 posted 01-13-2013 12:35 PM

Lamp auger

Long drill bits

Hard to drill out a long blank on a mini lathe without bed extension. Will need a 4-jaw chuck and remove live center from tailstock to use lamp auger. Using long drill bits requires 4-jaw chuck and drill chuck and flipping blank around.

Back out bit, often clearing chips insures a straight hole through blank. A steady rest helps, homemade versions work well.

-- Bill

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