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Your cart is empty.These square metal caster Inserts feature a hardened steel, double star design that inserts firmly into any Square Tubing or Square Leg and is not easily removed. The square double star caster inserts are specially designed to sit deep in the tube allowing equipped items to roll over thresholds, extension cords, cracks in the floors and more without fear of the connector slipping out. Our double star connectors work with any quality caster such as Outwater's extensive line of threaded wheel casters. These inserts are available in a variety of popular sizes and fit 16-18 gauge (approximately 1/16" to 1/8" walls). The edges of the connector fit flush to the outside edge of the tubing for a clean, finished appearance.
Phillip K Goddard
Reviewed in the United States on March 9, 2022
Perfect solution for my needs. I am building a shade structure with 1" EMT, 20'x20'x8'high. I do not have a vehicle that can transport 10' and 8' poles so I have to cut them. I tried couplings to put them together but the joint is flimsy and I was concerned about the structural integrity should they come under stress from winds or people being careless. These threaded inserts solve my issues. They provide a tight internal thread to both ends of the EMT. I am using a 3" rod to hold them together. This is providing a very good connection with the structural integrity that is satisfying to me. It is not weak like a coupling option. This is the right solution.Also, I screwed up and initially ordered the wrong size. I bought 1" EMT so I bought the 1" inserts. The EMT was slightly bigger than 1". How was I supposed to know? I guess that whole measuring thing does come in handy. The seller took back my mistake without issues and refund received. They also have a wide selection of sizes to choose from so thank you. Measure twice cut once. My mistake.Highly recommend this solution and the seller.As I cut my EMT I am marking on the tube in black as AA, BB, CC etc (see pics). This way when I put the halves together it is from the same tube and they should line up as close as possible precut. The red mark on the rod is in the middle at 1.5" I threaded one side up to the red line and then with my thumb held it in place as I screwed in the other end. A little tricky at first but second nature now. So so happy with this solution.
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