Strong and Durable Rivet nuts are made of 304 stainless steel. So the rivet nuts are rust-resistant and durable. Even if you use M8 blind nuts in harsh environments such as high temperature, humidity, or extreme cold for a long time, they will not easily rust or crack. Excellent Quality The M8 rivet nut has a mechanical internal thread and the screw hole is deep. In addition, the thickness is uniform, so the head will not easily crack when made into hardwood. Easy Installation Just drill a hole corresponding to the size of the M8 blind nut head and use a rivet gun to drive the nut into the hole. Wide Application The M8 blind nut can not only be used in mechanics, automotive, marine, industrial, but is also ideal for road bikes, DIY furniture work, soft or hard wood. Please note The package only contains 60 M8 rivet nuts. Length: 18mm/0.7inch, Dimensions: 11mm/0.43inch, Fastener Type: Hollow.