Flat-Bottom Fittings

Flat-Bottom Fittings

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Our Flat-Bottom Fittings couple convenience with performance, with options to effectively secure tubing of multiple outer diameters into traditional, flat-bottom receiving ports. Most of our Flat-Bottom Fittings feature the use of an external compression ferrule, which grips the outer wall of the flow path tubing while simultaneously creating a seal against the bottom surface of the receiving port. Most of the ferrules are manufactured from Tefzel™ (ETFE) for excellent compatibility. Numerous options exist, allowing the connection of tubing outer diameters ranging from capillary sizes through 5/16”.

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Select the right product for your needs. Filter by product category in the left-hand column. If you know the product specifications for your part, continue to narrow down your search results by selecting from the list of product attributes.

Part # Product Name
P-337X Super Flangeless™ Nut PEEK, Short, Headless, M6 Flat-Bottom for 1/8" OD - Black
F-123H NanoPort Nut 6-32 Flat-Bottom, for 360µm OD Headless
F-156 Super Flangeless™ Nut PEEK, Black, 1/4-28 Flat-Bottom, for 1/8"OD - Black
F-290 Flangeless SealTight™ Ferrule, 1/4-28 Flat-Bottom, for 1/16" OD
F-292 SealTight Flangeless Nut Delrin® 1/4-28 Flat-Bottom, for 1/16" OD
F-294 SealTight Flangeless Nut PEEK 1/4-28 Flat-Bottom, for 1/16"OD
F-298 SealTight Flangeless Nut PEEK Short, for 1/4-28 Flat-Bottom, for 1/16" OD
F-356 Super Flangeless™ FlushNut™ Stainless Steel 1/4-28 Flat-Bottom, for 1/16"-1/32" OD Single
F-358 Flangeless FlushNut™ 1/4-28 Flat-Bottom, for 1/16 " OD
F-368 Super Flangeless™ FlushNut™, Stainless Steel 1/4-28 Flat-Bottom, for 1/8" OD Single
LT-105 Super Flangeless™/LiteTouch®, Stainless Steel Nut, 1/4-28 Flat-Bottom, for 1/16" or 1-32" OD
LT-111 LiteTouch® Flangeless Nut for 1/16" OD
LT-115 Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Natural
LT-115B Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Blue
LT-115BLK Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Black
LT-115G Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Green
LT-115GY Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Gray
LT-115R Super Flangeless™ Nut, Short, PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Red
LT-115X Super Flangeless™ Nut PEEK, Short, 1/4-28 Flat-Bottom, for 1/16" OD Natural - 10 Pack
LT-115Y Super Flangeless™ Nut PEEK, Short, 1/4-28 Flat-Bottom, for 1/16" OD Yellow
M-250 Super Flangeless™ Ferrule 10-32 Flat-Bottom, for 1/16" OD Natural - Single
M-250X Super Flangeless™ Ferrule 10-32 Flat-Bottom, for 1/16" OD Natural - 10 Pack
M-650 Super Flangeless™ Ferrule, 6-32 or 6-40 Flat-Bottom, for 1/16" OD Tubing Natural - Single
M-650X Super Flangeless™ Ferrule, 6-32 or 6-40 Flat-Bottom, for 1/16" OD Tubing Natural - 10 Pack
M-652 Super Flangeless™ Nut Short, 10-32 Flat-Bottom, for 1/16"OD Green
M-653 Super Flangeless™ Nut Short, Headless, 10-32 Flat-Bottom, for 1/16" OD - Green
M-655 Super Flangeless™ Nut Long, 10-32 Flat-Bottom, for 1/16" OD - Green
M-660 Super Flangeless™ Nut, 6-32 Flat-Bottom, for 1/16" OD - Natural
P-1082BLK Flanged Fitting M6 Flat-Bottom, for 1/8" OD
P-1082BLKX Flanged Fitting M6 Flat-Bottom, for 1/8" OD 10 Pack
P-1087X Stainless Steel Washer M6, for 1/8" - 10 Pack
P-131 Super Flangeless™ Nut 5/16-24 Flat-Bottom, for 1/8" OD - Natural
P-132 Flangeless Nut PEEK 5/16-24 Port, for 3/16" OD
P-136 Flangeless Nut PEEK, 5/16-24 Flat-Bottom, for 1/16" OD Natural
P-136BLK Flangeless Nut PEEK, 5/16-24 Flat-Bottom, for 1/16" OD Black
P-137 Super Flangeless™ Nut PEEK, 5/16-24 Flat-Bottom, for 3/16 OD Black
P-138 Flangeless Nut Delrin®, 5/16-24 Flat-Bottom, for 3/16" OD
P-139 Flangeless Ferrule PCTFE, 5/16-24 Flat-Bottom, for 4mm OD Natural
P-140 Super Flangeless™ Ferrule Tefzel™ (ETFE) 5/16-24 Flat-Bottom, for 3/16" - Green
P-141 Super Flangeless™ Nut PEEK 5/16-24 Flat-Bottom, for 1/16" OD - Natural
P-200 Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Blue
P-200N Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-200NX Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Natural - 10 Pack
P-200R Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Red - Single
P-200X Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Blue-10 Pack
P-201 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, for 1/16" OD Black
P-202 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, 1/16"" OD Red
P-202X Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, 1/16"" OD Red - 10 Pack
P-203 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, for 1/16"" OD, White
P-204 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, for 1/16" OD, Cream

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