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Threaded Fittings

Threaded fittings are essential for microfluidic systems. These components ensure precision connections, providing leak-free and secure seals. Compatible with tubing sizes ranging from 1/32" to 1/8", they are ideal for primary applications such as biomedical diagnostics, chemical analysis, and lab-on-a-chip devices.

Made from materials like PEEK, PTFE, and Stainless Steel, these fittings are known for their chemical resistance and durability. They offer minimal dead volume, ensuring high-pressure tolerance and consistent flow control which is vital for accurate experiments and tests.

Easy to install, these fittings work seamlessly with different tubing types, microfluidic chips, and connection systems. Upgrade your microfluidic setup with our threaded fittings for unparalleled precision, efficiency, and long-lasting reliability.

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Start here: Pick a category to narrow your options

Flangeless Fittings
Flangeless Fittings
Threaded to Barbed Fittings
Threaded to Barbed Fittings
Threaded Union Connectors
Threaded Union Connectors
Threaded Manifolds
Threaded Manifolds
Sleeves & Ferrules
Sleeves & Ferrules
Threaded Plugs
Threaded Plugs

Our shortlist of reliable options to get started

157 Results
  • 6-40 Flat-bottom Nut (pack of 10) - Darwin Microfluidics
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    IDEX Health & Science

    6-40 Flat-bottom Nut (pack of 10)
    This Headless Super Flangeless 6-40 Nut is designed to interface a 1/16"OD tubing to a 6-40 flat-bottom port. Use it to eliminate loosening of fittings due to tube twisting. The nut holds tight even...
    57.60€
  • 10-32 Coned to 1/4-28 PEEK Adapter - Darwin Microfluidics
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    IDEX Health & Science

    10-32 Coned to 1/4-28 PEEK Adapter
    The threaded adapter assembly made in biocompatible PEEK is perfect to connect different threads. Its configuration allows a perfect connection between a female 10-32 coned to female 1/4-28...
    39.30€
  • Flangeless Ferrule (10-pack) - PP
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    Darwin Microfluidics

    Flangeless Ferrule (10-pack) - PP
    This Flangeless ferrule is a component designed to create a secure, leak-free seal between a rigid tubing and a mating port. Made from PP (Polypropylene), these ferrules are ideal for general-purpose...
    6.90€ - 7.70€
  • Flangeless Ferrule ETFE 1/4"-28 for 2mm OD (pack of 10) - Darwin Microfluidics
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    IDEX Health & Science

    Flangeless Ferrule ETFE 1/4"-28 for 2mm OD (pack of 10)
    Reusable ferrules manufactured in Tefzel (ETFE) for high chemical compatibility with solvents. Compatible with 1/4-28 UNF Flangeless fittings. These flangeless ferrules are excellent for connecting...
    18.80€
  • 1/4-28 Elbow Union - Darwin Microfluidics
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    IDEX Health & Science

    1/4-28 Elbow Union
    This PEEK elbow connector is designed to be used in tight corners. Pack of 1 elbow connector with 2x flangeless PEEK fittings for 1/16" OD or 1/8" OD tubing. General Elbow connectors manufactured in...
    75.70€ - 75.80€
  • 1/4-28 Female to 10-32 Male Flat-Bottom Adapter - Darwin Microfluidics
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    IDEX Health & Science

    1/4-28 Female to 10-32 Male Flat-Bottom Adapter
    PEEK 1/4-28 female flat-bottom to 10-32 male flat-bottom adapter, to interface a 1/4-28 nut with a 10-32 port. General This adapter allows you to connect a 1/4-28 flat-bottom fitting to a 10-32...
    33.90€
  • Idex 1/4-28 Flat-Bottom Caps
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    IDEX Health & Science

    1/4-28 Flat-Bottom Caps (pack of 10)
    These 1/4-28 flat-bottom caps will safely seal your fittings when unused. Sold in packs of 10 caps. General Manufactured in ETFE, these female 1/4-28 caps are meant to close off unused tubing tips...
    41.00€
  • 1/4-28 Flangeless Fitting (10-pack) - PEEK + ETFE
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    Darwin Microfluidics

    1/4-28 Flangeless Fitting (10-pack) - PEEK + ETFE
    This set of 1/4-28 flangeless fittings is designed for secure connections with 1/16" or 1/8" OD rigid tubing in microfluidic systems. Each fitting includes a PEEK nut and an ETFE ferrule, combining...
    52.20€
  • 10-32 Flat-Bottom Union Adapters (pack of 5) - Darwin Microfluidics
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    IDEX Health & Science

    10-32 Flat-Bottom Union Adapters (pack of 5)
    VacuTight 10-32 flat-bottom union adapter manufactured in PEEK to connect two 10-32 flat-bottom fittings. Sold by pack of 5 units. General The 10-32 flat-bottom VacuTight union efficiently connects...
    99.10€
  • 1/4-28 Female Cross Connector - PEEK
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    Darwin Microfluidics

    1/4-28 Female Cross Connector - PEEK
    The 1/4-28 Female Cross Connector is a convenient fitting designed for microfluidic systems requiring a four-way flow path. It ensures a leakage-free connection while offering excellent...
    37.20€
  • 10-32 Coned PEEK Fittings + Ferrules (pack of 10) - Darwin Microfluidics
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    IDEX Health & Science

    10-32 Coned PEEK Fittings + Ferrules (pack of 10)
    This 10-32 fittings connection kit for 1/16" OD tubing is made of biocompatible PEEK. It is designed so that the nut and ferrule create a dual compression: the forward cone on the ferrule provides...
    89.30€
  • 1-4-28-VacuTight-Fitting-1-8-OD
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    IDEX Health & Science

    1/4-28 VacuTight Fitting for 1/8” OD (pack of 10)
    VacuTight 1/4-28 fittings to maintain 1/8" OD tubing under vacuum and low pressure. Sold by packs of 10 units. General These VacuTight fittings strongly hold 1/8" OD rigid tubing to 1/4-28 female...
    73.60€
  • 1/4-28 Female T Connector - PEEK
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    Darwin Microfluidics

    1/4-28 Female T Connector - PEEK
    The 1/4-28 Female T Connector is a convenient fitting designed for microfluidic systems requiring a three-way flow path. It ensures a leakage-free connection while offering excellent biocompatibility...
    23.50€
  • Barbed to 10-32 Male Adapter (pack of 10) - Darwin Microfluidics
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    IDEX Health & Science

    Barbed to 10-32 Male Adapter (pack of 10)
    Easily connect soft-walled 1/16", 1/8" or 3/16" ID tubing to 10-32 threaded ports using these adapters. Available for coned or flat-bottom ports, they come in a pack of 10 units. General Thread...
    58.20€ - 228.30€
  • Micro-Splitter Valve - Darwin Microfluidics
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    IDEX Health & Science

    Micro-Splitter Valve
    The Micro-Splitter Valve made in PEEK has a 1/4-28 Flat-Bottom thread configuration. Included fittings accept 1/16" OD tubing. This assembly comes with 3x 1/4-28 Flangeless fittings (P-235)...
    131.20€
  • 1/4-28 Headless Flangeless Fitting (10-pack) - PP
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    Darwin Microfluidics

    1/4-28 Headless Flangeless Fitting (10-pack) - PP
    The 1/4-28 Headless Flangeless Fitting is a durable, low-profile connector for low-pressure microfluidic systems. It is available in two sizes for tubing with 1/16" (1.6 mm) and 1/8" (3.2 mm) OD, and...
    21.40€
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