---
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: "€ 58.28"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw
store_origin: HR
region: Croatia
---

# 50-pack durable set screw couplings Zinc die-cast alloy steel build UL & CSA certified safety assurance 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:** € 58.28
**Availability:** ✅ In Stock

## Summary

> 🔗 Lock in your conduit connections with pro-grade precision!

## 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?** € 58.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **Rugged Zinc Alloy:** Durable die-cast construction built to withstand tough jobsite conditions
- • **Bulk Power Connect:** 50 precision-engineered couplings for seamless conduit joining
- • **Compact & Efficient:** Space-saving 1/2-inch size fits perfectly in tight electrical setups
- • **Tri-Combo Screw Tech:** Versatile set screws ensure secure, concrete-tight connections
- • **Certified Reliability:** UL and CSA listings guarantee industry-standard safety and performance

## Overview

The Sigma Electric ProConnex TC-511 is a 50-pack of 1/2-inch EMT set screw couplings crafted from zinc die-cast alloy steel. Designed for concrete-tight, dry location conduit connections, these UL and CSA listed fittings deliver reliable, professional-grade performance for electrical installations.

## Description

Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count

## 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 |
|---------------|-------|
| Manufacturer | Sigma Electric |
| Part number | TC-511 |
| Item Weight | 785 g |
| Product Dimensions | 3.38 x 2.34 x 2.67 cm; 784.71 g |
| Item model number | TC-511 |
| Size | No Size |
| Color | Gray |
| Style | Set Screw |
| Material | Alloy Steel Zinc |
| Item Package Quantity | 1 |
| Number Of Pieces | 50 |
| Included components | Sigma Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** No Size
- **Material:** Alloy Steel Zinc
- **Brand:** Sigma Engineered Solutions
- **Colour:** Gray
- **Item dimensions L x W x H:** 34 x 23 x 27 millimeters

## 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)
![Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count - Image 2](https://m.media-amazon.com/images/I/71kCKeul5UL.jpg)
![Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count - Image 3](https://m.media-amazon.com/images/I/71T5iKCkWOL.jpg)
![Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count - Image 4](https://m.media-amazon.com/images/I/811MkUMEFVL.jpg)
![Sigma Electric Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling 1/2-Inch Conduit Fitting, 50-Pack, Gray, 50 Count - Image 5](https://m.media-amazon.com/images/I/712BFcfUcjL.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

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**Shop now:** [https://www.desertcart.hr/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw](https://www.desertcart.hr/products/330625498-sigma-electric-engineered-solutions-proconnex-tc-511-emt-set-screw)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-19*