Our PEEK Super Flangeless Nut is excellent for those connections that need to be broken frequently and tubing assemblies because they swage onto the tubing. Our nut is manufactured from biocompatible PEEK giving it excellent chemical resistance. It has a M6 Flat-Bottom port configuration and is for 1/16″ or 1/32″OD Tubing. It is short in length and is black. Brochure