Du-Bro 527 4 x 1/2 Button Head Sheet Metal Screws (QTY/PKG: 8)
[Du-Bro 527]

This new design is by far the best way to mount servos, cowls, landing gear, etc. The large head of the screw acts as a washer and they also have a socket head for easy, no slip installation. Bright Zinc plated with clear chromate.