Fittings
IDEX Health & Science offers a comprehensive selection of high pressure fittings, HPLC fittings, UHPLC fittings, luer lock fittings, ferrule fittings, connectors, and tubing accessories designed for reliable fluidic connections. Our portfolio includes PEEK and stainless steel fittings, finger-tight fittings, torque-limiting fittings, flangeless fittings, super flangeless fittings, coned fittings, flat-bottom fittings, and PEEK tubing fittings for a wide range of analytical, biotech, medical, and laboratory applications.
Whether... More Information >
IDEX Health & Science offers a comprehensive selection of high pressure fittings, HPLC... More Information >
total selected
Clear selection
1/4" OD Fitting, Flangeless
XU-655 / -
- For use with 1/4" OD tubing mating with a 1/2-20 port
- Black PEEK nut, natural ETFE ferrule
- Include U-650 Flangeless ferrule
- Recommended for pressures up to 250 psi (17 bar)
- 1 per pack
1/4" OD Nut, Flangeless
U-655 / -
- For use with 1/4" tubing mating with a 1/2-20 port
- Black PEEK material
- Compatible with large knurl extender tools
- 1 per pack
5/16" OD Ferrule, Flangeless
U-660 / -
- For use with 5/16" OD tubing mating with 1/2-20 flat bottom port
- Natural ETFE material
- Recommended for pressures up to 250 psi (17 bar)
- Compatible with the U-662 1/2-20 flangeless nut
- 1 per pack
5/16" OD Fitting, Flangeless
XU-662 / -
- For use with 5/16" OD tubing mating with a 1/2-20 port
- Black PEEK nut, natural ETFE ferrule
- Include U-660 Flangeless ferrule
- Recommended for pressures up to 250 psi (17 bar)
- 1 per pack
5/16" OD Nut, Flangeless
U-662 / -
- For use with 5/16" tubing mating with a 1/2-20 port
- Black PEEK material
- Compatible with large knurl extender tools
- 1 per pack
Flangeless Ferrule ETFE, 1/4in
U-650 / -
- For use with 1/4" OD tubing mating with 1/2-20 flat bottom port
- Natural ETFE material
- Recommended for pressures up to 250 psi (17 bar)
- Compatible with the U-655 1/2-20 flangeless nut
- 1 per pack
1 of 1
Fittings
IDEX Health & Science offers a comprehensive selection of high pressure fittings, HPLC fittings, UHPLC fittings, luer lock fittings, ferrule fittings, connectors, and tubing accessories designed for reliable fluidic connections. Our portfolio includes PEEK and stainless steel fittings, finger-tight fittings, torque-limiting fittings, flangeless fittings, super flangeless fittings, coned fittings, flat-bottom fittings, and PEEK tubing fittings for a wide range of analytical, biotech, medical, and laboratory applications.
Whether you need a high-performance HPLC fitting for demanding chromatography systems or a dependable low-pressure connection, IDEX Health & Science delivers proven solutions engineered for accuracy, durability, and leak-free performance. For more information, explore our Fittings 101 guide.
A fitting is a complete assembly designed to connect tubing to a component and may consist of a one-piece connector or a nut-and-ferrule combination. A nut is the threaded component sold separately, while a ferrule is also available as an individual part when specified.
For added convenience, most fittings and ferrule fittings are available in 10-packs, with individual pieces offered for select products. Backed by rigorous testing and enhanced safety standards, our fittings are trusted throughout the biotech, laboratory, diagnostics, and medical device industries for dependable fluidic performance.