---
product_id: 17836261
title: "ProConnex EMT Set Screw Coupling 1/2\" 50-Pack"
brand: "sigma engineered solutions"
price: "SAR 170"
currency: SAR
in_stock: true
category: "Sigma Engineered Solutions"
url: https://www.desertcart.com.sa/products/17836261-proconnex-emt-set-screw-coupling-1-2-50-pack
store_origin: SA
region: Saudi Arabia
---

# 50-pack contractor bulk supply Set screw design for secure grip Zinc die-cast for durable strength ProConnex EMT Set Screw Coupling 1/2" 50-Pack

**Brand:** sigma engineered solutions
**Price:** SAR 170
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence — the pro’s choice for seamless electrical setups!

## Quick Answers

- **What is this?** ProConnex EMT Set Screw Coupling 1/2" 50-Pack by sigma engineered solutions
- **How much does it cost?** SAR 170 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/17836261-proconnex-emt-set-screw-coupling-1-2-50-pack)

## 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

- • **Built to Last:** Robust zinc die-cast construction guarantees long-term durability in dry locations.
- • **Bulk Value Pack:** 50 pieces per jar means you’re always ready for any project, big or small.
- • **Certified Safety:** UL and CSA listings provide peace of mind with trusted safety compliance.
- • **Effortless Installation:** Tri-combo screws make setup a breeze, saving you time on every job.
- • **Concrete-Tight Assurance:** Approved for concrete-tight applications when taped, ensuring leak-proof connections.

## Overview

The SIGMA ENGINEERED SOLUTIONS ProConnex TC-511 EMT Set Screw Coupling 1/2" 50-Pack offers a reliable, durable, and certified solution for connecting EMT conduits. Featuring a secure set screw design, zinc die-cast construction, and approved for concrete-tight applications, this bulk pack is perfect for professionals seeking efficiency and safety in dry location electrical installations.

## 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

- Set screw type coupling
- Approved for concrete-tight applications when taped
- Zinc die-cast construction
- Product is UL and CSA listed, suitable for dry locations
- Contractor pack includes 50 pieces per jar

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006VXC3WS |
| Best Sellers Rank | #317,955 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #596 in Electrical Conduit Fittings |
| Brand Name | Sigma Engineered Solutions |
| Color | Gray |
| Connector Type | Coupling |
| Customer Reviews | 4.6 4.6 out of 5 stars (124) |
| 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 |
| Manufacturer | Sigma Engineereed Solutions |
| Manufacturer Part Number | TC-511 |
| Manufacturer Warranty Description | Warranty |
| Material Type | Die Cast Zinc |
| Model Number | TC-511 |
| Number of Pieces | 50 |
| Set Name | 50-Pack |
| Size | No Size |
| Thread Size | ['1/2 inch'] |
| Thread Type | NPT |
| UPC | 031857652401 |
| Unit Count | 50.0 Count |

## Product Details

- **Brand:** Sigma Engineered Solutions
- **Color:** Gray
- **Connector Type:** Coupling
- **Exterior Finish:** Zinc
- **Item Weight:** 1.73 Pounds
- **Item dimensions L x W x H:** 1.33 x 0.92 x 1.05 inches
- **Material:** Die Cast Zinc
- **Size:** No Size
- **Thread Size:** ['1/2 inch']
- **Thread Type:** NPT

## Images

![ProConnex EMT Set Screw Coupling 1/2" 50-Pack - Image 1](https://m.media-amazon.com/images/I/71+egMyOa-L.jpg)
![ProConnex EMT Set Screw Coupling 1/2" 50-Pack - Image 2](https://m.media-amazon.com/images/I/71kCKeul5UL.jpg)
![ProConnex EMT Set Screw Coupling 1/2" 50-Pack - Image 3](https://m.media-amazon.com/images/I/71T5iKCkWOL.jpg)
![ProConnex EMT Set Screw Coupling 1/2" 50-Pack - Image 4](https://m.media-amazon.com/images/I/811MkUMEFVL.jpg)
![ProConnex EMT Set Screw Coupling 1/2" 50-Pack - 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.com.sa/products/17836261-proconnex-emt-set-screw-coupling-1-2-50-pack](https://www.desertcart.com.sa/products/17836261-proconnex-emt-set-screw-coupling-1-2-50-pack)

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*Product available on Desertcart Saudi Arabia*
*Store origin: SA*
*Last updated: 2026-07-13*