Product categories
- AIR MACHINE ACCESSORIES, FITTINGS AND VAC REPLACEMENT PARTS
- HYDRAULIC HOSE FERRULES - FERRULES MANUFACTURER
- INDUSTRIAL AND AUTOMITIVE COUPLERS & CONNECTORS
- PNEUMATIC BLOW GUN KITS AND BLOW GUN PRODUCTS
- PNEUMATIC HOSES
- PNEUMATIC, AUTOMOTIVE HOSE CRIMPERS AND DIES
- TIRE INFLATOR CHUCKS AND AIR FITTINGS
- TIRE INFLATOR GAUGE PRODUCTS
- Uncategorized
- VALVES PARTS PRODUCTS
- WATER BIBBS AND UTILITY WATER NOZZLES
Top rated products

Industrial Interchange 3/8" Connector Series
Industrial interchange connectors make it easy to connect air equipment to different sub-sections of air hose without exposing the air system to leaks. Diamond-U's interchangeable industrial connectors are designed with the highest quality and safety standards.
They are ideal for industrial applications requiring reliability, strength, and formability. Purchase your industrial interchanger 3/8" connector from Diamond-U Products, Inc. to simplify your work.
Why Choose Diamond-U's Industrial Interchange 3/8" Series Connectors?
Diamond-U Products has served the pneumatics industry for over a century. We have built an outstanding reputation as a steadfast manufacturer and supplier of industrial couplers and connectors, especially our 3/8" connectors line.
Every connector we create is authentic and meets the top quality and safety standards. Moreover, our industrial conductors are available for bulk orders and retail deals. If you need connectors to fit your specific air tools, you can benefit from our custom solutions.
Importance of the Industrial Interchange 3/8" Series
The industrial interchange 3/8" series can fit nearly all sizes of industrial interchange plugs. These multipurpose pieces are used to connect air tools and hose to compressed air equipment to offer leak-free performance. High-flow couplers and connectors ensure high flow rates to power air tools for improved efficiency.
Steel Couplers and Connectors
Industrial interchange steel connectors are often the male portion of coupling sets. Sometimes known as plugs, these pieces are fixed into the female ends of the coupling body or coupler. These sets provide integrity while providing reliability in side-loaded systems. Diamond-U couplers and connectors are certified and come be sent from our factory fully assembled in any custom configuration needed for customer convenience.
The Types of 3/8" Connectors that Diamond-U Offers
Shop Our Industrial Interchange Series 3/8" Connectors Today!
Whether you want to purchase a single connector or coupler, we can process your order quickly and efficiently. Need a wholesale quote? Contact us today Our sales representative will get back to you as soon as possible.