Upchurch / IDEX Super Flangeless™ Fittings provide the highest pressure holding capability in a flat-bottom fitting system that we offer. Our unique design eliminates loosening of fittings due to tubing twist and holds tight even through vibration. Our high pressure fittings are excellent for tubing assemblies and those times when connections need to be broken frequently.
Upchurch Super Flangeless Nuts and Fittings

Item Name | Product Image | Price |
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Upchurch Scientific Super Flangeless Ferrule for 1/16 inch OD Tubing, 10-32 Flat-Bottom, PEEK Natural/SS, Natural, 100/pk - M-250CSuper Flangeless Ferrule for 1/16” OD Tubing, 10-32 Flat-Bottom, PEEK Natural / Stainless Steel, Natural, 100 per pack Part Number: M-250C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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Upchurch Scientific Super Flangeless Ferrule for 1/16 inch OD Tubing, 10-32 Flat-Bottom, PEEK Natural/SS, Single - M-250Super Flangeless Ferrule for 1/16” OD Tubing, 10-32 Flat-Bottom, PEEK Natural / Stainless Steel, Natural, Single Part Number: M-250 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This Upchurch... |
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£17.71![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/32 inch OD Tubing, 10-32 Flat-Bottom, Tefzel ETFE Green/SS, 10/pk - P-248XSuper Flangeless™ Ferrule for 1/32” OD Tubing, 10-32 Flat-Bottom, Genuine Tefzel™ ETFE Resin Green/Stainless Steel, 10 per pack Part Number: P-248X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super... |
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£33.11![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/32 inch OD Tubing, 10-32 Flat-Bottom, Tefzel ETFE Green/SS, 100/pk - P-248CSuper Flangeless™ Ferrule for 1/32” OD Tubing, 10-32 Flat-Bottom, Genuine Tefzel™ ETFE Resin Green/Stainless Steel, 100 per pack Part Number: P-248C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super... |
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Upchurch Scientific Super Flangeless Ferrule for 1/32 inch OD Tubing, 10-32 Flat-Bottom, Tefzel ETFE Green/SS, Single - P-248Super Flangeless™ Ferrule for 1/32” OD Tubing, 10-32 Flat-Bottom, Genuine Tefzel™ ETFE Resin Green/Stainless Steel, Single Part Number: P-248 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless... |
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£3.52![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/SS, 100/pk - P-350CSuper Flangeless™ Ferrule for 1/8” OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, Natural, 100 per pack Part Number: P-350C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless... |
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Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/SS, Natural, 10/pk - P-350XSuper Flangeless™ Ferrule for 1/8” OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, Natural, 10 per pack Part Number: P-350X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless... |
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£36.70![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/SS, Single - P-350Super Flangeless™ Ferrule for 1/8” OD Tubing with SS Ring, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, Natural, Single Part Number: P-350 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings... |
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£3.81![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, 10/pk - P-360XSuper Flangeless™ Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, PEEK, Natural / Stainless Steel, 10 per pack Part Number: P-360X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings... |
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£63.88![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, 100/pk - P-360CSuper Flangeless™ Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, PEEK, Natural / Stainless Steel, 100 per pack Part Number: P-360C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings... |
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Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, Single - P-360Super Flangeless™ Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, PEEK, Natural / Stainless Steel, Single Part Number: P-360 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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£6.80![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/SS, 10/pk - P-359XSuper Flangeless / Conical Adapter Replacement Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/Stainless Steel, 10 per pack Part Number: P-359X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super... |
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£33.11![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/SS, 100/pk - P-359CSuper Flangeless / Conical Adapter Replacement Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/Stainless Steel, 100 per pack Part Number: P-359C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super... |
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£325.01![]() |
Upchurch Scientific Super Flangeless Ferrule for 1/8 inch OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/SS, Single - P-359Super Flangeless / Conical Adapter Replacement Ferrule for 1/8” OD Tubing, 1/4-28 Flat Bottom, Tefzel ETFE Yellow/Stainless Steel, Single Part Number: P-359 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless... |
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£3.52![]() |
Upchurch Scientific Super Flangeless Ferrule for 2.0 mm OD Tubing with SS Ring, M6 Flat Bottom, PEEK Natural/SS, Natural, 10/pk - P-357-2XSuper Flangeless Ferrule for 2.0 mm OD Tubing with SS Ring, M6 Flat Bottom, PEEK Natural/Stainless Steel, Natural, 10 per pack Part Number: P-357-2X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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£64.16![]() |
Upchurch Scientific Super Flangeless Ferrule for 2.0 mm OD Tubing with SS Ring, M6 Flat Bottom, PEEK Natural/SS, Natural, Single - P-357-2Super Flangeless Ferrule for 2.0 mm OD Tubing with SS Ring, M6 Flat Bottom, PEEK Natural/Stainless Steel, Natural, Single Part Number: P-357-2 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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£7.51![]() |
Upchurch Scientific Super Flangeless Ferrule for 2.5 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, 10/pk - P-366XSuper Flangeless™ Ferrule for 2.5” OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, 10 per pack Part Number: P-366X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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£37.42![]() |
Upchurch Scientific Super Flangeless Ferrule for 2.5 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, 100/pk - P-366CSuper Flangeless™ Ferrule for 2.5” OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, 100 per pack Part Number: P-366C Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This... |
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Upchurch Scientific Super Flangeless Ferrule for 2.5 inch OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/SS, Single - P-366Super Flangeless™ Ferrule for 2.5” OD Tubing, 1/4-28 Flat Bottom, PEEK Natural/Stainless Steel, Single Part Number: P-366 Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings This Upchurch... |
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£4.00![]() |
Upchurch Scientific Super Flangeless Ferrule for 3/16 inch OD Tubing, 5/16-24 Flat Bottom, Tefzel ETFE Green/SS, 10/pk - P-140XSuper Flangeless™ Ferrule for 3/16” OD Tubing, 5/16-24 Flat Bottom, Tefzel ETFE Green/Stainless Steel, 10 per pack Part Number: P-140X Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, Super Flangeless Fittings... |
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£39.65![]() |