Original Diamond-U 1/4" Series

Couplers & Connectors That meets the "Diamond Standard."

For almost a century, Diamond-U has provided quality fittings such as couplers, connectors, barbs, and plugs. We offer several types of couplers including our very own Diamond-U Ball-Tite swivel-type coupler that has become an industry standard over time.  We proudly hold a wide range of couplers and connectors applicable for compressed air lines for your specific industrial needs.

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1/4” Female Connector
Part #: 1016

$2.04

1/4” Female Coupler
Part #: 1004S

$7.63

1/4” Male Connector
Part #: 1010-UNB

$3.50

1/4” Male Coupler
Part #: 1001S

$7.63

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