Mil-Spec Bolt, MS21250 Series, 12-Point Head

Nutplates, also known as anchor nuts, are designed for blind mounted applications where it is impractical to use hex nuts or where it is desirable to have an attached nut for ease of maintenance. Use 3/32" dia. rivets with nut sizes 6-32, 8-32, 10-32 and 1/4-28. Use 1/8" dia. rivets with 5/16-24 and 3/8-24