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1/4"-20 Threaded Camera Mount Screw Post

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Apr 29, 2006
This may seem like an odd question for this sub-forum, but please bear with me. I am looking at buying a portable Bluetooth speaker. I have noticed that some are mountable and specify the 1/4"-20 threaded camera mount screw post. I am posting this here because camera buffs are likely to be familiar with the 1/4-20 threaded camera mount standard.

Here is an example of one of the Bluetooth speakers that I am considering.

ECOROX - ECOXGEAR - Weatherproof Waterproof Cases - ECOXGEAR. No Worries. Just Play.

I have been looking at Ram Mount to get a 1 inch ball with the 1/4-20 male thread, but I see that there are various length associated with the 1/4"-20 threaded camera mount screw post.

Search for Ram 1" ball 1/4-20 - Page 1

Is there any way to determine ahead of time which I should select for a portable Bluetooth speaker? One of the other speakers that I have been looking at on-line is the Sol Republic Punk wireless speaker. Various places list the 1/4 inch threaded mount, but it doesn't mention a length needed. How can I determine which Ram Mount 1 inch ball will work best with this?

SolRepublic.com | SOL REPUBLIC PUNK Wireless Bluetooth Speaker
Jul 14, 2014
Newnan, GA
The longer the better. Just put a nut and flat washer on the stud, run the nut all the way down and drop the washer on top of it. Then put your speaker on, the more threads engaged the better. Line up the speaker in the direction you want and run the nut and washer up against the bottom of the speaker to jam/tighten the speaker in place.
Mar 12, 2014
One of the benefits of the 1/4" -20 is that you can come up with a different bolt pretty easily. A decent hardware store may even have them with various finger friendly knobs already attached. I often use both a metal and rubber washer with them to shorten them if needed and to minimize both vibration and their uncanny ability to work themselves loose.


Premium Subscriber
May 18, 2008
Santa Ynez, CA
The speaker probably has these mountings to enable it to be placed on a camera tripod or a light stand. A visit to a good camera store or an online supplier like B&H will give you many options. I have some mounts that were intended to wall mount CCTV cameras. They have 1/4-20 threads, a locking swivel and a plate for wall mounting. There are many camera mount adapters the can be had. I would beware of using too long a bolt. There may be electronics that it will come in contact with.
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