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-287 Super Flangeless™ Nut Headless, PPS, 1/4-28 Flat-Bottom, for 1/16" OD - Natural
P-286 Flangeless Nut 1/16 PPS Headless
P-283 Flangeless Headless Nut Short, 1/4-28 Flat-Bottom, for 1/16" OD
P-281 Super Flangeless™ Nut PPS, 1/14-28 Flat-Bottom, for 1/16" OD - Brown
P-260 Super Flangeless™ Ferrule PEEK, 1/4-28 Flat-Bottom, 1/16" OD - Natural
P-259X Super Flangeless™ Ferrule w/SST Ring, Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Yellow - 10 Pack
P-259 Super Flangeless™ Ferrule w/SST Ring, Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Yellow
P-255X Super Flangeless™ Nut PEEK 1/4-28 Flat-Bottom, for 1/16" & 1/32" OD Natural - 10 Pack
P-255R Super Flangeless™ Nut PEEK 1/4-28 Flat-Bottom, for 1/16" & 1/32" OD Red
P-255BLK Super Flangeless™ Nut PEEK 1/4-28 Flat-Bottom, for 1/16" & 1/32" OD Black
P-255B Super Flangeless™ Nut PEEK 1/4-28 Flat-Bottom, for 1/16" & 1/32" OD Blue
P-255 Super Flangeless™ Nut PEEK 1/4-28 Flat-Bottom, for 1/16" & 1/32" OD Natural
P-252 Super Flangeless™ Nut Delrin®, 1/4-28 Flat-Bottom, 1/16" & 1/32" Gray - Single
P-251 Super Flangeless™ Nut PEEK, 1/4-28 Flat-Bottom, for 1/16" - 1/32" OD Natural - Single
P-250X Super Flangeless™ Ferrule w/SST Ring, 1/4-28 Flat-Bottom, for 1/16" OD Natural - 10 Pack
P-250 Super Flangeless™ Ferrule w/SST Ring, 1/4-28 Flat-Bottom, for 1/16" OD Natural - Single
P-249 Super Flangeless™ One-Piece Fitting, 1/4-28 Flat-Bottom, for 1/16" OD
P-248X Super Flangeless™ Ferrule 1/4-28 or M6 Flat-Bottom, 1/32" OD Green - 10 Pack
P-248 Super Flangeless™ Ferrule 1/4-28 or M6 Flat-Bottom, 1/32" OD Green - Single
P-247 Flangeless Nut Short, PEEK, M6 Flat-Bottom, for 1/16" OD - Black
P-246 Super Flangeless™ Nut PFA, Natural, 1/4 Flat-Bottom, for 1/16" OD Natural - Single
P-245 Flangeless Nut PFA , 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-240 Flangeless Ferrule Tefzel™ (ETFE), 1/4-28 or 10-32 Flat-Bottom, for 1/16" OD
P-238 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, for 1/16" OD
P-235X Flangeless Nut PEEK, Short, 1/4-28 Flat-Bottom, for 1/16" OD Natural - 10 Pack
P-235 Flangeless Nut PEEK, Short, 1/4-28 Flat-Bottom, for 1/16" OD Natural - Single
P-232 Super Flangeless™ Headless Nut, Short, PEEK 1/4-28 Flat-Bottom, for 1/16" or 1/32" OD - Natural
P-230BLK Flangeless Nut PEEK, 1/4-28 Flat-Bottom, for 1/16" OD Black
P-230 Flangeless Nut PEEK, 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-229 One Piece Super Flangeless™ Fitting, PEEK, M6 Flat-Bottom, 1/16" OD
P-226 Flangeless Nut PFA, M6 Flat-Bottom, for1/16" OD -Black
P-221 Flangeless Ferrule Polypropylene, 1/4-28 Flat-Bottom, for 1/16" OD
P-220Y Flangeless Male Nut Polypropylene, 1/4-28 Flat-Bottom, for 1/16" OD Yellow
P-220G Flangeless Male Nut Polypropylene, 1/4-28 Flat-Bottom, for 1/16" OD Green
P-220 Flangeless Male Nut Polypropylene, 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-219 Super Flangeless™ Nut PEEK, Black, M6 Flat-Bottom, for 1/16" OD
P-218BLK Flangeless Nut Short, Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Black
P-218 Flangeless Nut Short, Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-217 Super Flangeless™ Nut PPS, M6 Flat-Bottom, for 1/16" OD - Black
P-215Y Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Yellow
P-215R Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Red
P-215G Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Green
P-215BLK Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Black
P-215B Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Blue
P-215 Flangeless Nut Tefzel™ (ETFE), 1/4-28 Flat-Bottom, for 1/16" OD Natural
P-213 Super Flangeless™ Nut Short, PEEK, M6 Flat-Bottom, for 1/16"OD -Black
P-208 Flangeless Nut Delrin®, Short, 1/4-28 Flat-Bottom, for 1/16" OD Black
P-207S Flangeless Metric Male Nut Delrin®,M6 Flat-Bottom, for 1/16" OD Short Black
P-207 Flangeless Metric Male Nut Delrin®,M6 Flat-Bottom, for 1/16" OD Black
P-206 Flangeless Male Nut Delrin®, 1/4-28 Flat-Bottom, for 1/16" OD Blue

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