Drilling, Enlarging, and Deburring Holes

Drilling, Enlarging, and Deburring Holes

180 Skills
Updated Jun 17, 2024

What you'll learn

  • Drill a pilot hole
  • Exchange a pilot bit for a larger drill bit
  • Set a drill stop
  • Enlarge a hole to size
  • Inspect a full size hole with a Go/NoGo pin gauge
  • Use an open countersink to deburr holes
Course Description

Prior to installing fasteners in any assembly, pilot holes must be drilled. Because pilot holes are not large enough to accommodate fasteners, the pilot holes must be enlarged to size. Any burrs that form during the drilling process must also be removed.