Strong and DurableRivet nuts are made of 304 stainless steel. So the nut rivets are rust resistant - and durable. Even if you use the M6 blind nuts in harsh environment like high temperature, humidity or severe cold for a long time, they will not easily rust or crack. Excellent Quality The m6 rivet nut has a mechanical internal thread and the screw mouth is deep. In addition, the thickness is uniform, so the head will not easily crack when made into hardwood. Easy InstallationJust drill a hole corresponding to the size of the head. 'm6 blind nut and use a rivet gun to drive the nut into the hole. Wide ApplicationThe m6 blind nut can not only be used in mechanics, car , marine, industrial, but also great for road bike, DIY furniture work, soft or hard wood. AttentionPackage contains only 60 M6 rivet nuts. Length: 15mm/0.59inch, Gauge: 9mm/0.35inch, Attachment Type: Hollow.