thick threaded rod

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Forum topic by willhime posted 04-03-2015 08:12 AM 1257 views 0 times favorited 10 replies Add to Favorites Watch
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122 posts in 1714 days

04-03-2015 08:12 AM

Topic tags/keywords: resource tip question

I’ve been looking high and low for a source for some thick threaded rod after seeing different photos of restaurants and furniture companies that are using them on ‘modern rustic’ or ‘vintage industrial’ motifs. Usually I’ll see them on a mount for a swing out stool, along with those huge cast iron (at least that’s what I think it is) gate hinges that are bolted to a post under the table. And then I started thinking of using them for homemade vises. They appear to be about 1.5” – 2” in diameter, and a pitch of 3-4 (rough estimate). I’ve been looking for a tap and die of similar size for wood threaded rod. I think Garrett Wade’s go up to 1.5”, but otherwise, when this comes up in conversation with seasoned wood veterans, the most common response is “hmm, no clue.” Thoughts?

-- Burn your fire for no witness

10 replies so far

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2 posts in 1336 days

#1 posted 04-03-2015 11:31 AM

View Targa's profile


118 posts in 1915 days

#2 posted 04-03-2015 11:39 AM

Try McMaster-Carr

-- Dom

View altendky's profile


169 posts in 2385 days

#3 posted 04-03-2015 11:42 AM

Acme is a thread profile often used in motion applications (as opposed to clamping, like ‘normal’ threads on bolts). I know I got some from McMaster-Carr but not in 2”. That is going to be really expensive and heavy in metal. Are you looking for prethreaded wood or metal?

View Dallas's profile


3599 posts in 2662 days

#4 posted 04-03-2015 12:41 PM

I got a piece of 2” x 72” acme thread from eBay about 8 months ago, I think I paid about $70 for it. I also bought 4 nuts, @ $6/ea.

-- Improvise.... Adapt...... Overcome!

View helluvawreck's profile


32087 posts in 3042 days

#5 posted 04-03-2015 05:03 PM

Mcmaster Carr is great for anything like this and a whole lot more. Another good one is MSC Industrial.

helluvawreck aka Charles

-- helluvawreck aka Charles,

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843 posts in 3110 days

#6 posted 04-03-2015 05:17 PM

These guys have good prices.

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5055 posts in 2526 days

#7 posted 04-03-2015 05:17 PM

Beall Tools sells a wood threader for up to 1.5”.

-- Bondo Gaposis

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2902 posts in 2150 days

#8 posted 04-03-2015 05:20 PM

I picked up some 1-1/2 Acme from this company. Very reasonable.

-- Paul, Duvall, WA

View Bluepine38's profile


3379 posts in 3260 days

#9 posted 04-03-2015 05:23 PM

Roy Underhill tells how to make taps and dies for cutting all sizes of wood threads in the -The Woodwright’s
Work Book- Chapter 3 Screwboxes and Taps. I think he also covered this in one of his early shows, but
I can not find it. Damn I must be getting old, if I know something that seasoned wood veterans do not
know. Roy has a step by step guide with pictures and explanations of each step. It might take you a
while to set up a shop to build these items, but it is doable.

-- As ever, Gus-the 79 yr young apprentice carpenter

View willhime's profile


122 posts in 1714 days

#10 posted 04-04-2015 08:35 AM

Man. Definitely a better starting off point than I had. Got some price comparisons to do now. As far as making my own setup- Roy Underhill route, I shutter to think how long that would take me. Having the wood tap and die set would be awesome for vises though. Saw some 18th century and 19th century woodwork benches straight from Germany at one of the many antique/tool shops in Fredericksburg, TX about an hour from where I am. Guys walking up to them and laughing at the concept of wood threaded screws and shaking their heads wondering why anyone would use wood for that…. as they’re looking at a table that’s 200 years old and looks like it was drug across the atlantic’s bottom for the trip over here.

And to the wood or steel threaded question, I’m interested in both; for design, and for practicality purposes.

-- Burn your fire for no witness

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