Blind Nuts will encapsulate the internal loose fastener. The blind nut is a quicker and more economical method compared to loose nut and screw-type hardware which require special seals.
Advantages :
• Body design protects internal threads from the entrance of foreign matter
• Available in heat-treated carbon steel with a zinc finish, as well as a 300 series stainless steel with a passivated ASTM A380 finish
• Available in sizes 4-40 through ¼-20