The AMAMCO Double Margin Drill makes the holes for mounting aircraft engines and landing gear attachments and installing aircraft door fixtures. It is a prime example of AMAMCO Tool precision and high quality standards. As such, it has become a signature product.

Plant Manager Peter Diamantis, a two-decade veteran of AMAMCO Tool, has been overseeing the making of this tool for much of that time. He understands the tight tolerances required for this tool, and the importance of meeting those tolerances every time. Each tool is returned and resharpened by AMAMCO Tool experts. Understanding that each hole must be perfect, every time... on every application... on every aircraft... has earned AMAMCO Tool the position of sole manufacturer of this very special tool on many applications.