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Contractor Grade/Commercial Couplings

Designed for rugged construction site and commercial applications, Winzeler Stamping Company offers our Alpha™ style couplings for external crimped hose assembly and hose repair. Our contractor/commercial grade couplings are machined with wrench flats for quick and easy on the job coupling. Barbs grip tight without cutting the hose.

Made of solid brass, these couplings are crush proof and have a lifetime guarantee.

Couplings are stocked in industry standard sizes and available for immediate shipment to your location. Available for ½”, 5/8”, ¾” I.D. hose sizes.

¾” NHT threads

Contact Us to discuss or quote the following available upgrades:

  • Nickel plating
  • Customer identification stamps
  • Lead-free Eco Brass
Outside Diameter
End Type
Thread Specification
Product Grouping
  Product Name  Model  Outside Diameter  Length  End Type  Thread Specification  Product Grouping   
5/8" Contractor Grade Expansion Coupling - Male
5/8" Contractor Grade Expansion Coupling - Male
0.630 0.875 Male 3/4 - 11.5 NHT Alphaâ„¢ View Details Button
5/8" Expansion Coupling - Female
5/8" Expansion Coupling - Female
0.640 0.875 Female 3/4 - 11.5 NHT Alphaâ„¢ View Details Button
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