--- product_id: 330625498 title: "Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count" brand: "sigma engineered solutions" price: "1813 kr" currency: NOK in_stock: true category: "Sigma Engineered Solutions" url: https://www.desertcart.no/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw store_origin: NO region: Norway --- # 50-pack for bulk efficiency Tri-combo set screws for secure grip UL & CSA listed for certified safety Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count **Brand:** sigma engineered solutions **Price:** 1813 kr **Availability:** βœ… In Stock ## Summary > πŸ”§ Connect with confidence, build with brilliance. ## Quick Answers - **What is this?** Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count by sigma engineered solutions - **How much does it cost?** 1813 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw) ## Best For - sigma engineered solutions enthusiasts ## Why This Product - Trusted sigma engineered solutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Bulk Power Move:** 50-pack ensures you never run short on reliable conduit connections during critical projects. - β€’ **Concrete-Ready Seal:** Concrete-tight when taped, perfect for dry locations demanding durability and precision. - β€’ **Triple Threat Screws:** Tri-combo set screws deliver effortless installation with a rock-solid hold every time. - β€’ **Certified Peace of Mind:** UL and CSA listings mean your electrical setups meet top-tier safety and compliance standards. - β€’ **Zinc Die-Cast Durability:** Robust alloy steel zinc construction guarantees long-lasting corrosion resistance and strength. ## Overview The Sigma ProConnex TC-511 is a 50-pack of 1/2-inch EMT set screw couplings crafted from durable zinc die-cast alloy steel. Featuring tri-combo screws for secure, easy installation, these UL and CSA listed fittings provide concrete-tight connections ideal for dry locations, making them a trusted choice for professional electrical conduit setups. ## Description Upgrade your electrical installations with the Sigma Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling, available in a convenient 50-pack. This coupling is designed to seamlessly connect two lengths of 1/2-inch EMT conduit, providing secure and reliable connections for electrical wiring setups. Featuring a set screw type design with tri-combo screws, installation is made easy while ensuring a tight grip. Concrete-tight when taped, this coupling is suitable for dry location applications, ensuring versatility in usage. Crafted from durable zinc die-cast material, it ensures long-lasting performance. With UL and CSA listings, this product meets safety standards and ensures peace of mind. ## Features - Connects two lengths of 1/2-in EMT conduit - Set screw type with tri-combo screws - Concrete-tight when taped and for dry location applications - Zinc die-cast construction - Product is UL and CSA listed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B006VXC3WS | | ASIN | B006VXC3WS | | Brand Name | Sigma Engineered Solutions | | Color | Gray | | Connector Type | Coupling | | Customer Reviews | 4.7 4.7 out of 5 stars (118) | | Customer reviews | 4.7 4.7 out of 5 stars (118) | | Date First Available | 3 January 2013 | | Exterior Finish | Zinc | | Global Trade Identification Number | 00031857652401 | | Included Components | Sigma Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack | | Is Discontinued By Manufacturer | No | | Item Dimensions | 34 x 23 x 27 millimeters | | Item Type Name | Sigma Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack | | Item Weight | 785 g | | Item model number | TC-511 | | Manufacturer | Sigma Electric | | Manufacturer | Sigma Electric | | Manufacturer Part Number | TC-511 | | Material Type | Alloy Steel Zinc | | Model Number | TC-511 | | Number of Pieces | 50 | | Product Dimensions | 3.38 x 2.34 x 2.67 cm; 784.71 g | | Set Name | Sigma Engineered Solutions 1/2-Inch EMT Coupling Set (50-Pack) | | Size | No Size | | Thread Size | 0.5 inch | | Thread Type | UN | | UPC | 031857652401 | | Unit Count | 50 Count | ## Product Details - **Brand:** Sigma Engineered Solutions - **Colour:** Gray - **Item dimensions L x W x H:** 34 x 23 x 27 millimeters - **Material:** Alloy Steel Zinc - **Size:** No Size ## Images ![Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count - Image 1](https://m.media-amazon.com/images/I/71+egMyOa-L.jpg) ## Questions & Answers **Q: What size are the screws?** A: 10/32 **Q: What's the size of the set screw? Is it a S1 or S2?** A: I believe the question you’re asking is what type of screwdriver is needed it to turn the fastener S2 or a flat head ## Frequently Bought Together - Sigma Electric TC-511 HOSE_PIPE_FITTING, No Size, Gray, 50 Count - SIGMA ENGINEERED SOLUTIONS ProConnex TC-501 EMT Set Screw Connector 1/2" 50-Pack - Sigma Electric ProConnex 1901 EMT One-Hole Strap 1/2-Inch, 100-Pack, 1/2 Inch, Gray, 100 Count --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw](https://www.desertcart.no/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*