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🔧 Connect with confidence — the pro’s choice for seamless EMT coupling!
The SIGMA ENGINEERED SOLUTIONS ProConnex TC-511 EMT Set Screw Coupling 1/2" 50-Pack offers a professional-grade, zinc die-cast coupling designed for secure, concrete-tight conduit connections. UL and CSA certified, this bulk pack ensures reliable, code-compliant installations with easy tri-combo screw fastening, perfect for contractors and serious DIYers seeking durability and efficiency.
| ASIN | B006VXC3WS |
| Best Sellers Rank | #556,794 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,096 in Electrical Conduit Fittings |
| Brand | Sigma Engineered Solutions |
| Brand Name | Sigma Engineered Solutions |
| Color | Gray |
| Connector Type | Coupling |
| Customer Reviews | 4.6 out of 5 stars 124 Reviews |
| Exterior Finish | Zinc |
| Global Trade Identification Number | 00031857652401 |
| Item Dimensions | 1.33 x 0.92 x 1.05 inches |
| Item Type Name | HOSE_PIPE_FITTING |
| Item Weight | 1.73 Pounds |
| Item dimensions L x W x H | 1.33 x 0.92 x 1.05 inches |
| Manufacturer | Sigma Engineereed Solutions |
| Manufacturer Warranty Description | Warranty |
| Material | Die Cast Zinc |
| Material Type | Die Cast Zinc |
| Model Number | TC-511 |
| Number of Pieces | 50 |
| Size | No Size |
| Thread Size | ['1/2 inch'] |
| Thread Type | NPT |
| UPC | 031857652401 |
| Unit Count | 50.0 Count |
D**R
Nice packaging, arrived early!
I love that these come in a plastic canister with lid, all tidy, for stowing in my shed. I have a bunch of 5-foot 1/2" EMT conduit that I plan to put together in double or triple lengths to top t-post trellises as I get new beds built. I know that eventually I will use dozens of these connectors, so I was glad to get a good price on them. And they came earlier than expected!
N**N
Price and listed conduit fittings
Great price and UL listed product. Thank you so much!
O**Y
Great product
The coupling are very strong and work great. The price very good.
P**I
Good Buy
This was a cheap purchase and they are better looking than what you get at Home Depot or Lowes. I am making finales for curtain rods out of electrical conduit and this pack (I got 2 packs) was so inexpensive!
C**D
Five Stars
Nice parts
N**3
Inside of coupler not deburred and does not slide onto conduit.
The inside of the couplers had a large burr where the screw goes in. This prevented the coupler from sliding all the way onto the conduit. I had to take a small grinder to remove the burr from the inside of the coupler which wasted a lot time. Will not buy this brand again.
S**I
They are very short not grabbing a lot of conduit. Stick to BridgePort
very small low quality
D**W
Didn’t need
Sent em back cuz I didn’t need them
Trustpilot
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