I have an assortment of 1/2 inch diameter pipe clamps. I use them a lot for all sorts of clamping situations.
Recently, I got to thinking about how to maximize what I have so they can be used in more situations.
So, I started looking around for a pipe threader and asked questions on other websites. Someone mentioned using conduit couplings instead of regular pipe couplings. Hmmm...
After more discussion and some old fashioned research (I went to the store), I confirmed the threads are compatible. The main reason for using a rigid steel conduit coupling
is it is thinner. That will work for me.
I bought a 1/2 dozen of the couplings at $1.31 ea. Now I have more options for the lengths needed for clamping situations as they arise. The thing to do is use you shorter piece on the end with the crank handle. Makes it easy to take advantage of the longer piece.
I still want to find a threader...maybe ebay...someday.
Here's a tip. If you need more pipe for your clamps, buy a 10 foot piece at the big box store and have them cut it and thread the pieces. I checked, and you can too. Ten foot 1/2 inch black pipe is $10.88
at my local store. Sitting in the rack next to it is a four foot piece
marked $9.88 ...well, duh. That is a no brainer. Had I been more attentive over the years, I think I could have saved well over $50 just by buying a long stick and having them cut it and thread the ends.
1 ten foot stick = 2 @36, 2 @ 24 inches. Or...
2 @ 48, 1 @ 24. The 24 and one 48 would be free! :-)
Here are some pics of my clamps in action. I have some 18 inchers, 24, 36, 48, and 60's. With the couplings, I can make almost any length I need.