Adapter to put 1/4-20 threads on a 5/8" light stand stud?

I want to mount a shoe flash on a boom arm. The boom has a standard 5/8" stud fixed to the end.

Is there an adapter to get a 1/4"-20 thread on there? The stud is not removable, it's pinned in. I looked around B&H, gadget infinity and flashzebra and I don't see anything other than umbrella swivel brackets like I use on my other light stands. Is there anything smaller and simpler or should I just order another umbrella bracket and have it done with?

I think this is what you want.

http://www.bhphotovide​o.com …_8_Female_to_1_​4_20_.html

Drill into the end of the stud with a #7 drill and then tap it with a 1/4-20 tap, finishing with a 1/4-20 bottomming tap (to get the inside threads all the way to the bottom of the hole). Then use a piece of threaded rod (I would prefer brass) and possibly a little super-glue if you want to have a permanent 1/4-20 stud coming out of the end of the 5/8" stud. If you don't want it permanent, just use a jam nut on the threaded rod.

I just looked at the thread again and read Robert's post. That works, but this is a LOT less expensive.

Ah, I'm such an idiot sometimes. I was looking in the "Umbrella/Flash Mounts" section thinking it would be a "flash mount". Oops. That's exactly what I'm looking for, thank you. It's on backorder with no arrival date but now that I'm looking in the right place (thanks to you ) I found this one too...

http://www.adorama.com​/BG3105.html

SkipD wrote in post #6067284
Drill into the end of the stud with a #7 drill and then tap it with a 1/4-20 tap, finishing with a 1/4-20 bottomming tap (to get the inside threads all the way to the bottom of the hole). Then use a piece of threaded rod (I would prefer brass) and possibly a little super-glue if you want to have a permanent 1/4-20 stud coming out of the end of the 5/8" stud. If you don't want it permanent, just use a jam nut on the threaded rod.

I just looked at the thread again and read Robert's post. That works, but this is a LOT less expensive.

That's good thinking Skip. For those of us with the tools and know-how it's a great solution. As I'm sure you know though, some people don't even know which way to turn a screwdriver

darkvibe wrote in post #6067285
Ah, I'm such an idiot sometimes. I was looking in the "Umbrella/Flash Mounts" section thinking it would be a "flash mount". Oops. That's exactly what I'm looking for, thank you. It's on backorder with no arrival date but now that I'm looking in the right place (thanks to you ) I found this one too...

http://www.adorama.com​/BG3105.html

Don't sweat it. You know how long it took me to become familiar with all the categories and types of doo-dads? Forget about it!

TMR Design wrote in post #6067312
That's good thinking Skip. For those of us with the tools and know-how it's a great solution. As I'm sure you know though, some people don't even know which way to turn a screwdriver

Of course....

Sometimes, though, just having the base idea gets things rolling for the folks who are in the middle of the pack, so to speak.

SkipD wrote in post #6067284
Drill into the end of the stud with a #7 drill and then tap it with a 1/4-20 tap, finishing with a 1/4-20 bottomming tap (to get the inside threads all the way to the bottom of the hole). Then use a piece of threaded rod (I would prefer brass) and possibly a little super-glue if you want to have a permanent 1/4-20 stud coming out of the end of the 5/8" stud. If you don't want it permanent, just use a jam nut on the threaded rod.

I just went back and read Robert's post. That works, but this is a LOT less expensive.

The DIY method hadn't even crossed my mind. I have a drill and set of taps. No bottomming tap but I can just drill the hole deeper than I need it and tap it as far as I can. I can probably drill straight through the stud for that matter.

Sounds like I have a project for tomorrow night so I can use this thing. Now to find somewhere to steal some sand for the counterweight.

edit to add: DIY also fits this whole project perfectly. It's an amvona boom arm/stand that I don't need but happened to see ending on ebay with 3 minutes left and bidding was at $7 or something like that. Cheap = good.

Here's another one a little cheaper:

http://www.bhphotovide​o.com …_195_195_5_8_St​ud_to.html

Good find Leo. I never saw that one.

Coupling nuts are used to join 2 sections of threaded rod, and a good hardware store will have them with with a 1/4 in thread in one end, and a 3/8 thread in the other. You then use a slotted or socket head 1/4 inch set screw, and then you won't even have to cut a section of threaded rod, or cut the head off the machine bolt. Just screw the 1/4 inch set screw into the 1/4 threaded end of the coupling nut, and screw the 3/8 threaded section of the coupling nut onto the 3/8 stud of the light stand.

I think the umbrella bracket will give lot more options for positioning of the flash. It's easier to swing and tilt the flash than moving the boom arm.

1/4-20 threaded brass rod is $2.47 at home depot for a 12" piece. Brass nuts are $0.98 for like 5 of them so I have about $3.50 invested and have rod and nuts left over.

Sorry for the bad picture. Kodak P&S was handy, the canon was packed away.

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