Forming Eye Hook on End of 3/32 Drill Rod

Sep 19, 2004 8 Replies

I need to form eye hooks on the end of 3/32" drill rod. These look just like eye hooks you buy in the store to use in wood. These are for yarn spinning whirls that I am making for a friend.



Heating is not an option as it discolors the drill rod and I do not want to polish these. The top of the eye has to be in line with the axis of the spindle so just casually bending them will not work. I also can not distort the straight part of the spindle or they won't spin concentricly.



Any suggestions will ne greatly appreciated. Thanks, Steve


Boy, you're really in love Steve. I would suggest getting married, wait a couple years, heat them up and bend them, then give them to her and tell her to polish them.

Sorry Steve---

Regards, John Burnett

Well that got a pretty good laugh out of me. I'm sure it didn't help the original poster but I was pretty well stumped on the task as well.

They're gonna have to be heated I think to form the part.

If Steve doesn't want to polish them himself then he could get one of those vibratory tumbler systems to do it.

Unless there is a need to heat treat the parts I would avoid drill rod as well.

Jim

No chance of finding commercially made ones? I know some are pretty small, and I believe that they are shaped just as you described. Ken.

A Duo-Mite bender will do it, but unless you're making many pieces the $200+ price tag would be hard to justify.

Ned Simmons

I think drill rod is not the material of choice here. Seems to me that

304SS would be a better choice and you might be able to form the eyes cold. I doubt that you can form it into the shape you need without a bending jig and still avoid polishing it. As a fall back with SS you could form it hot and have it chemically cleaned and electro polished.

Hey Steve,

You don't suggest the loop diameter you require, but drill rod comes "annealed", so should bend well enough if the OD is large enough. On the other hand, if you don't want to "heat it" to harden it after bending, why are you using it? It's expensive as "wire" goes.

Take care.

Brian Laws>I need to form eye hooks on the end of 3/32" drill rod. These look

How about a little more information? How "perfect" does the loop need to be? Similar items that I have seen have a bend that goes another 90 degrees or so past those eye hooks you see in the home center and are polished so as not to snag the yarn at all. Does the end need to be opened or closed?

The biggest question would be quantity. For 3 pcs I'd just monkey around by bending them over a dowel or something and re-bending until they looked right. For 100, I'd jig up something like a spring former die and add the offset bend (centering the loop) after the main loop is formed.

Koz

Steve wrote:

Perhaps not helpful, but why don't you want to polish it? At work I occasionally have the unfortunate task of polishing several square meters of (sometimes) hardened steel. Basically from machined to almost a mirror finish.

Although this takes weeks for the sizes we do, I'm sure you could do it, start to finish in less than 30min, given a good selection of emery cloth (preferred) or sand paper (sufficient). Perhaps start at 240 or 320 and go up to 600 or higher, if you're inclined...

Just my $0.02 worth.

Regards,

Robin

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required