AIT518ND (Two-Lug Double Wing Miniature Nut Plate Drill Jig ,#10 Screw Size)

The ATI518ND is a specialized sheet metal drill jig used to align and accurately drill rivet mounting holes when installing two-lug miniature anchor nuts (nut plates) on airframe structures.

​Key features and specifications:

• ​Screw/Pilot Size: #10 (0.190" / 0.191" pilot diameter)
• ​Rivet Hole Drill Size: #40 (0.098")
• ​Rivet Hole Spacing: 0.250" (center to center per side) / 0.500" total wing span
• ​Construction: Features an O-1 hardened tool steel drill bushing block connected via a flexible stainless spring-steel strap to a knurled handle, allowing for maneuverability and clearance in tight airframe compartments.