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$5.45
The all new Maker Pipe Structural Coupling allows you to securely join two pieces of together with a single nut and bolt. Easily reinforce the connection with up to four 1/2" self tapping screws per coupling. You can choose from two available sizes that are designed to natively fit either 3/4" or 1" EMT Conduit respectively. EMT Conduit is readily available at your local hardware or home improvement store. The 1/2" connector variant includes two adapter shims for building with 1/2" EMT Conduit.
*Hardware is included with each Structural Conduit Coupling
The EMT Conduit Coupling consists of two mirrored pieces that interlock together. Both pieces are designed with a pocket feature that locks the nut in place when tightening. This makes for an easy one tool assembly no matter which side the nut is on. We designed the coupling to support various strengthening hacks. Learn how in this video.
I've used this coupling with both 3/4" and 1/2" conduit (with provided adapter shims), and I'm giving it 3 stars for 2 reasons:
1) As another review noted, this coupling does not join two pieces in a rigid, perfectly straight manner. It's not technically crooked, but because there is a slight wobble, the pieces can get very slightly crooked if not reinforced by other means. I was expecting this to be much more solid than the short coupling at hardware stores, but it wasn't much better in my experience. And I know that you can reinforce the connection with screws, but I haven't needed to do that with other fittings I've used, so I don't expect to need to do that with this one either.
2) When used with 1/2" conduit and adapter shims, the wobble is far more pronounced such that the pieces can easily get noticeably crooked. In fact, this is my general feedback on all 1/2" versions of Maker Pipe fittings with adapter shims. Because the adapter shims are plastic, the connection between the conduit and fitting are not as good as with 3/4" conduit. While this hasn't been as problematic in other fittings I've used (e.g., T connector, 180 degree connector), I still think that it is somewhat misleading for Maker Pipe to sell 1/2" versions by simply throwing in a couple of plastic shims when the quality of connection is just not the same. If I had known that there would be such a difference between the 1/2" and 3/4", I wouldn't have tried to use 1/2" for one of my projects; but instead, I ended up wasting a bunch of time and money with 1/2" conduit because I expected the fitting for 1/2" to be the same quality as 3/4". So I suggest they make fittings actually designed for 1/2" conduit, especially for the coupling.
The coupler does in fact, couple two pieces of conduit together. But it does it at a crooked angle. I am an engineer by trade, and I am no stranger to putting things like this together. The first one I put together, I thought maybe something went wrong, and I may have had a bad one… After putting multiple together, they all will force both pieces of the conduit to be crooked. So if you were making a horizontal piece, it will not be straight so you have to decide do you want it to dip down or be in more of an art. Great concept, but something is wrong with the design.
I was looking for a way to cut down the size of my travel bag for carting my targets around. This allowed me to cut a 5 foot cross beam down to 2.5 feet which fits nicely in a bag. The Coupler then makes it 5 feet again. Even with weight of the 10" 3/8 AR500 steel gongs it keeps the bar straight.
Really great quality product and I’ll definitely be a repeat customer!
