Large Bore Fittings are designed for use with 5/16-24 or 1/2-20 thread port configurations and can be used with 1/16”, 1/8”, 3/16”, 1/4”, 5/16”, 3.0 mm, or 4.0 mm OD tubing, depending on the fitting combination used.

Super Flangeless™ Fitting Systems are quickly becoming the standard for instrumentation, displacing many flanged tube assemblies. Once swaged, the fitting system, unlike flanged tubing, can withstand several retightening cycles with no change in performance or damage to the tubing. The Super Flangeless fitting system includes a two-piece ferrule with a lock ring that operates as a bearing against the nut. This allows the nut to spin freely, which prevents the tubing from twisting during the tightening process eliminating subsequent loosening of the nut making the Super Flangeless fittings ideal for applications subject to vibration. The Super Flangeless fitting is also perfect for applications where connections need to be broken frequently because the lock ring holds the ferrule in place on the tubing until it is intentionally removed.

Metric Flangeless Ferrules are designed to connect 1.8, 2.0, 2.5, 3.0, or 4.0 mm OD tubing to flat-bottom ports when paired with the appropriate M6, ¼-28 or 5/16-24 Flangeless Nuts. Also offered are M6-threaded nuts to connect 1/16” or 1/8” OD tubing, and a tubing sleeve to facilitate 1.0 mm OD tubing connections.