About Our Product
Secure, Corrosion-Resistant Termination Solutions for Electrical Systems
Robroy Stainless Conduit Hubs are designed to safely and securely terminate stainless steel rigid conduit to an enclosure or box, providing a durable, corrosion-resistant, and certified connection for critical electrical installations. Available in both industrial and food-grade options, these hubs ensure environmental integrity in industrial, food & beverage, pharmaceutical, and hazardous applications.
Built from 316 stainless steel, Robroy Stainless Conduit Hubs provide exceptional resistance to rust, corrosion, and harsh environments, ensuring long-term system performance.
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Why Choose Robroy Stainless Conduit Hubs?
Two Purpose Built Designs

Industrial Conduit Hubs
Ideal for manufacturing, oil & gas, wastewater, pulp & paper, and other industrial settings, featuring a Nitrile gasket for superior sealing against oils, fuels, and grease.

Food Grade Conduit Hubs
Designed for food & beverage and pharmaceutical facilities, featuring an FDA-compliant blue silicone gasket that offers superior sealing, high visibility for contamination detection, and compliance with hygienic standards.
UL 2239 Certified for Bonding & Grounding
Independently tested and certified for secure electrical connections, ensuring compliance and reliability in critical installations.
316 Stainless Steel Construction
Provides maximum corrosion resistance and long-lasting performance, even in harsh environments and wet locations.
Superior Environmental & Hygienic Integrity
- Ensures a fully rated system – Prevents mismatched components from compromising NEMA 4X, 3R, or hygienic system ratings.
- Minimizes Crevice Corrosion Risk – Unique female-threaded hub design eliminates exposed threads, reducing the risk of corrosive debris buildup in recesses.
Secure & Flexible Grounding Options
- Traditional Locknut – Features a slotted design with flats, allowing for quick and easy tightening using standard tools.
- Robroy Grounding Nut – Includes two ground screw locations for flexible installation, securely accommodating solid or stranded copper and aluminum grounding conductors.
Precision Laser Marking for Durability
Marked using Robroy’s oxidative thermal laser process, providing permanent, easy-to-read identification that is smooth to the touch and does not damage the product surface.
Versatile Applications
Robroy stainless steel hubs are engineered for versatile applications across a wide range of industries, offering reliable performance and protection in environments including:
- Manufacturing, oil & gas, wastewater, and industrial processing
- Food & beverage, pharmaceutical, and hygienic facilities
- Harsh, corrosive, and hazardous environments requiring third-party certified protection
Ensure System Integrity with Robroy Stainless Conduit Hubs
Robroy Stainless Conduit Hubs: The Secure, Corrosion-Resistant Solution for Critical Installations.