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tap and die set

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Forum topic by dakremer posted 582 days ago 3060 views 0 times favorited 12 replies Add to Favorites Watch
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dakremer

2449 posts in 1715 days


582 days ago

Anyone ever use a tap and die (the ones made for metal) on wood? I’ve seen the Wood Whisperer use a tap before in wood, which allowed a bolt to be securely held to the wood. You can see him do this here

What about using the die to cut the threads on a dowel??

-- Hey you dang woodchucks, quit chucking my wood!!!!


12 replies so far

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dakremer

2449 posts in 1715 days


#1 posted 582 days ago

-- Hey you dang woodchucks, quit chucking my wood!!!!

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DKV

3062 posts in 1128 days


#2 posted 582 days ago

Try this.

http://www.wkfinetools.com/contrib/dAssis/art/TapDie/TapDie-01.asp

-- 2014 will be a different year...at least for me it will.

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jim C

1452 posts in 1722 days


#3 posted 581 days ago

A normal tap and die set works like a charm. Just don’t try it under 1/4-20 size as the threads are to fine.
You can even drill and tap MDF as long as you drip crazy glue into the tapped hole afterwards. The stuff “hardens the MDF threads.
Stay away from the super cheap sets sold in the big box stores. They just plain don’t work!
I got mine from Amazon. Read the reviews and pick out a set.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

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hairy

2005 posts in 2156 days


#4 posted 581 days ago

I do it on accessories I make for my lathe. I tap the wood, then flood it with thin CA glue. When the is glue dry I tap it again to clean out glue residue. End grain doesn’t take threads very well.

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

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SPalm

4783 posts in 2506 days


#5 posted 581 days ago

Another believer in CA glue here.
When you gotta, you gotta.

Steve

-- -- I'm no rocket surgeon

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poopiekat

3584 posts in 2358 days


#6 posted 581 days ago

I wonder if a pipe tap & die might be a better choice than SAE/USS machine screw threads? The threads are coarser. I’m gonna try this!

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

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johnstoneb

640 posts in 796 days


#7 posted 581 days ago

I have had limited success with machine tap and die sets the tighter the grain the better they work. I will try the CA next time . Pipe threads are tapered while they might cut threads OK because of their coarseness they won’t accept anything except another pipe thread. They also are cut as a crush thread to seal.

I have had good luck on wooden geared clocks that need set screws just using the set screw working it in and out until the threads are cut to the depth I need. These are usually 1/8” or smaller. I think the Ca would really work well on them. I am always worried about stripping the threads out.

-- Bruce, Boise, ID

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MrRon

2786 posts in 1867 days


#8 posted 581 days ago

Since I make train models from wood, I tap holes all the time. One trick I learned to get a tight fitting set screw for a saw insert plate is to use one size smaller tap drill. When you tap the hole, the threads will be slightly oversize and will lock a set screw so vibration won’t loosen it. I use this on #8-32 screws in Baltic Birch plywood, 12/” thick. Works like a charm. As for cutting external threads, a coarse thread on hardwood will work, but I don’t see any application where a V thread on wood would be needed. The threads would be too fragile. There are some taps and dies specially made for wood. They resemble an Acme thread and are much coarser. They are used on some Colonial style American furniture.

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TopamaxSurvivor

14721 posts in 2300 days


#9 posted 581 days ago

A pipe thread tap should work just fine. The die would too if you run it all the way on to level out the taper.

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

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Don W

14818 posts in 1191 days


#10 posted 581 days ago

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Roger

14311 posts in 1428 days


#11 posted 580 days ago

Some good tips here. Ya learn somethin every day on here.

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

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helluvawreck

15582 posts in 1490 days


#12 posted 580 days ago

You might want to try spiral point taps. They may be gentler on the wood fibers.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

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