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Any one familiar with using a thread chaser?

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Forum topic by Michael1 posted 1063 days ago 2002 views 0 times favorited 9 replies Add to Favorites Watch
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Michael1

403 posts in 1285 days


1063 days ago

Topic tags/keywords: cutting threads in wood thread chaser lathe teqniqes

I have recently been researching ways to cut threads in wood, say for a lidded bowl turning with a screwed on lid. I have came across some neat techniques like using PVC plumbing parts and gluing the female threads into the bowl and the male threads to the lid.

However, at the Woodcraft store I came across a hand tool grouped with the lathe chisels called a “Thread Chaser” It looked similar to a small skew chisel but the business end of the tool was at a 90 degree angle from the handle. My question is how do you use it? Is it really used to cut threads and how do you go about it?

-- Michael Mills, North Carolina, http://www.scicaskets.com


9 replies so far

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Gary

7082 posts in 2058 days


#1 posted 1063 days ago

I cut threads now and then. I use the Beall thread stuff. Both to thread dowel and to make the nut part. Works great.

-- Gary, DeKalb Texas only 4 miles from the mill

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crank49

3366 posts in 1596 days


#2 posted 1063 days ago

The only thread chaser I have used was like a sort of file with teeth cut to fit the size thread I wanted to chase.

The act of chasing threads is, to my understanding of the term, to repair existing threads.

Making new threads would be called cutting threads or simply tapping a hole in the case of internal threads.

I have heard the term used to describe running a tap through a threaded hole to clean up the threads, as in “chase the threads with a tap”.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

View Bob Kollman's profile

Bob Kollman

1796 posts in 1816 days


#3 posted 1063 days ago

A thread chaser is used for cleaning up threads. Not made for cutting new threads.
If you have a metal turning lathe you can cut large diameter threads in most any
material. For anything over an inch you would probably need to look into pre made
thread inserts. If you have a bridgeport mill there maybe some thread forming tools
available.

-- Bob Kenosha Wi.

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TopamaxSurvivor

14721 posts in 2301 days


#4 posted 1063 days ago

The Woodwright, Roy Underhill, had an episode a few years ago about making some threading cutting tools.

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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hairy

2005 posts in 2157 days


#5 posted 1062 days ago

http://www.youtube.com/watch?v=7Qi9q2BV3ss

-- the last of Barret's Privateers...

View Bob Kollman's profile

Bob Kollman

1796 posts in 1816 days


#6 posted 1062 days ago

I’ll be …. there is a thread forming tool form the wood lathe….Learn something new every day!!!!

http://youtu.be/c-j16CrwHeM

-- Bob Kenosha Wi.

View rance's profile

rance

4128 posts in 1785 days


#7 posted 1062 days ago

There’s lots of thread chasers here on LJ. You look at one thread, then down at the Pulse page and… bing, you’re off on another thread. I’ve spent DAYS chasing threads.

Seriously, check out the Thread Master. THAT’s the one I drool over. A similar idea here.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View Michael1's profile

Michael1

403 posts in 1285 days


#8 posted 1062 days ago

Thanks for the Link Bob. that answered my question of how to use this tool.

-- Michael Mills, North Carolina, http://www.scicaskets.com

View horologist's profile

horologist

95 posts in 2364 days


#9 posted 1062 days ago

I have some limited experience in using thread chasers on an antique treadle lathe. The best source for instruction I have seen is the DVD by Allan Batty. Available at Craft Supplies USA=.

-- Troy in Melrose, Florida

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