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 Old Imperial tubing bender "hook" screws
Author: sum (FL)

I have a question for those who have used these old tubing bender made by Imperial. I think they are called the 360-FHA tubing bender.

The set comes with multiple rounded form wheels, one for each size 3/8", 1/2", 3/4" etc...and there is a pivoting "hook" that is secured to the wheel with a screw.



Well, out of the four wheels I have, two of the hook screws have broken off. These screws take a lot of shear as you bend the tubing with the hook sliding around the tubing as the handles are cranked.

I am trying to find replacement screws, but these are not standard screws, because it has a round shoulder under the screw head that fits the ID of the hook exactly.





Anyone knows if these screws are still available somewhere?

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 Re: Old Imperial tubing bender "hook" screws
Author: LI Guy (IN)

Sum that's called a "shoulder screw", not specific to that particular tool, they are used in lots of applications where the part being secure has to be free to rotate and not under the clamping force of the screw.

I've used McMaster-Carr for specialty fasteners in the past, they are easy to work with a ship fast. If you measure the diameter of the shoulder and the thread pitch/size, you should be able to find the same screw here: [www.mcmaster.com]

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Not a plumber by trade but a fierce DIYer

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 Re: Old Imperial tubing bender "hook" screws
Author: sum (FL)

LI Guy, thanks. I checked out the link you provided and they have a large selection of specialty screws. So I took measurements and ordered the shoulder screws I need. Only thing is it's insane to pay $8 for shipping two screws that cost $3.75 total LOL!



Edited 1 times.

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 Re: Old Imperial tubing bender "hook" screws
Author: bernabeu (SC)

they only charge what it actually costs them for shipping

yes, you heard correctly

if you 'charge' the order you do not know the precise shipping until AFTER it packed, weighed, and actually shipped


ps. they 'warehouse' in chicago and atlanta - you can avoid shipping by actually picking up at the counter and merely paying a 'small' handling charge



M-C is the 'gold standard' for hardware supply stores

- - - -

Retired U.A. Local 1 & 638
"Measure Twice & Cut Once"



Edited 1 times.

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 Re: Old Imperial tubing bender "hook" screws
Author: LI Guy (IN)

Sum, I ordered from McMaster a lot when I was rebuilding my truck camper last summer, I needed a lot of stainless fasteners I just couldn't find anywhere else. I should have also mentioned that Ace Hardware stores also have a very good fastener selection, if your shoulder screw is a common size you may find one there and save the shipping from McMaster.

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Not a plumber by trade but a fierce DIYer

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 Re: Old Imperial tubing bender "hook" screws
Author: sum (FL)

LIGuy, no I wasn't really complaining, all hard to find parts I expect to pay a premium. I am actually pleased that this screw is replaceable.

This set of tubing bender is ancient. I guess not too many people bend copper pipes these days. I still do it because I tinker here and there with copper pipes myself and after a few times kinking the pipes I decided to buy a set. This is a used set I bought on ebay which I know is for HVAC use since it goes by ODs, that is why out of the five wheels, the only one I can really use is 5/8" for 1/2" tubing. The other sizes I can't use. So after one use the screw broke. I stole the screw from the 1/2" wheel to use, after a few times that broke too, so I took the last one from the 3/4" wheel.

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 Re: Old Imperial tubing bender "hook" screws clap
Author: sum (FL)

I got the shipment today, that was pretty fast delivery.

The screws work. The only thing is it's about 1/8" too long which I can easily correct with a grinder in 2 minutes.





Edited 1 times.

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