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Pipe Clamps (error corrected)

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Forum topic by teenagewoodworker posted 561 days ago 550 views 0 times favorited 17 replies Add to Favorites Watch
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teenagewoodworker

2482 posts in 667 days


561 days ago

Topic tags/keywords: question

I was wondering if i could use galvanized rigid conduit for pipe clamps, I wasn’t sure so i figured I’d ask because my dad is an electrician so he can get it for next to nothing. hope that someone can help me out.

sorry for before, i misheard my dad and put EMT but it is galvanized rigid conduit that he was talking about. he said that its the same thing as the black iron pipe just he can get it for almost noting at his work.

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ChicoWoodnut

895 posts in 715 days


561 days ago

Haven’t tried it but I think the walls are too thin.

-- Scott - Chico California http://chicowoodnut.home.comcast.net

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SPalm

951 posts in 781 days


561 days ago

Probably, but I never tried it. It is pretty strong stuff…. Give it a try, you will find out quickly if they flex or dont’ grip.

Seems to me that the clamp parts are the expensive part. I know every little thing adds up, but I also know that I just threw away 4 sets of cheap pipe clamps (and kept the pipes) because they would not grip the pipe tightly and the ‘fixed’ end would slowly slide as I tightened the clamp. Drove me nuts for years. Replaced them with Ponys and I love ‘em.

Steve

-- Stevethepeeve -- I'm no rocket surgeon

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teenagewoodworker

2482 posts in 667 days


561 days ago

thanks. i am probably getting ponys too but i will try the EMT first as my dad can get rigid EMT for almost nothing at work.

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Mark Shymanski

1555 posts in 612 days


561 days ago

I think the conduit would be too thin and when you started to clamp the pipe would either flex or start to collapse. As Steve mentioned the expensive part is the clamp, the pipe should not be too expensive.

-- ...it's rennovation time!!!

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lew

4509 posts in 655 days


560 days ago

Dennis,

I’m not sure if this is what they call “thin wall” conduit, if it is then it might work for short clamps- 1 foot or less but I think it will flex to much on longer pieces. Also, if you put too much clamping pressure on a glue-up, the gripping mechanism in the sliding end of the clamp may crush/deform the conduit.

Lew

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Woodshopfreak

390 posts in 641 days


560 days ago

I agree. I think it would flex way to much. When putting the electrical into my shop I realized how easy it bends. I could take a 3 foot section and slowly bend it by hand pretty easily. I don’t think it would work for more than 1 foot as lew said.

-- Tyler, Illinois

View teenagewoodworker's profile

teenagewoodworker

2482 posts in 667 days


560 days ago

no this is the same thing. about an hour ago my dad found a piece of each that he had laying around in his work van. they are the same thing except for color. lew and tyler what your two are talking about it EMT. EMT is what you would have used in your shop wiring tyler. my dad being an electrician i have used that my whole like and know that that would be to thin but i just saw the two side by side and they are the exact same thing except for color.

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Al Killian

271 posts in 652 days


560 days ago

It is too thin a the clamp will slip on it.

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grovemadman

558 posts in 671 days


560 days ago

I don’t think skinnywall is a good choice lad, you might be able to get away with ridgid if you could find it in the right size. I would just wait and buy the real deal when you can and rest easy knowing it will last forever.
Being a tradesman, maybe your dad could scrounge some up for you here and there at some of the jobsites. My dad, Uncle and grandfather were IBEW for 45 years a piece. My uncle is a woodworker too and I’ve never seen him use it. His pipe clamps are regular thick wall 1” plumbing pipe.
hope this helps…

-- --Chuck

View fredf's profile

fredf

321 posts in 609 days


560 days ago

Sounds more like he found some threaded heavywall very. Similar to water pip. but is designed to BEND. I think black iron is most rigid followed by galvanized water pipe and then maybe electrical heavywall. Also be aware that electrical heavywall has no taper (or at least less taper) on the threads, and the pony clamps etc are generaly designed to be used with BI (black iron) which does have a taper same as water pipe it may or may not cause a problem . . . it probably wont screw in as far and be as strong

-- Fred, Springfield, Ma

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blackcherry

731 posts in 722 days


560 days ago

Not..the galvanize pipe will not hold the clamping pressure, they will slip…find a local plumber and have several size made of black pipe…Blkcherry

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Dadoo

1723 posts in 890 days


560 days ago

Yeah kid, definately go with the iron pipe. If there was a use for the EMT pipe, they would’ve created the clamps already. Good idea though…shows you’re thinkin’.

Rockler.com sells Pony style clamp heads but there’s a new one that has a better support foot. They also sell these pipe inserts where you can link two pipes together for a longer clamp. That’s a great idea in itself, especially if ya gotta glue up something wide like a tabletop. Long clamps tend to be unruly when glueing up small projects, so I’d make them 36” long , but not smaller. Also pipe clamps exert a ton of pressure…so much that you can actually squeeze out too much glue resulting in a weak bond!

Here’s some part numbers to look for at Rockler…Sure foot clamp #30921, Clamp extenders #38357.

-- Bob Vila would be so proud of you!

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dlcarver

261 posts in 629 days


560 days ago

By the time you would run the threads on conduit there wouldn’t be anything left. My daughter is an EMT. EMERGENCY MEDICAL TECHNITION. Are you sure your Dad didn’t say EMC, Dennis? Mine are black pipe and they take a real beating.

Dave

-- Dave Leitem,Butler,Pa.,http://dlcarver.etsy.com

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Boardman

158 posts in 661 days


560 days ago

The BORGS around here sell 3’ black pipe for about $3-4. That length works most of the time for me, and if I need longer, I bought couplings and pipe nipples to extend them. I have some 5’ pipes but they mainly go unused. And the black pipe they have is painted. It’s not the greasy type pipe that might stain wood – I’ve never had any stain problems.

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laflaone

57 posts in 580 days


559 days ago

The clamp will slip on galvanized pipe. I suspect it is something in the galvanizing coating that causes this. Use the black iron pipe if you can find it.

-- "non illegitimis carborundum"

View teenagewoodworker's profile

teenagewoodworker

2482 posts in 667 days


559 days ago

thanks, i think that i’ll just go with the black iron, just to make it simple. i’ll probably try out the other stuff to just because. thanks everyone.

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ryanhos

2 posts in 496 days


479 days ago

Thank you for saving me from my folly. Off to the store for black pipe it is!

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