Countersinking and Fillet Relief
course

Countersinking and Fillet Relief

WorkForge
Updated Jul 05, 2025

What you'll learn

  • Countersink holes accurately
  • Counterbore and countersink for fluid-tight fasteners
  • Measure with countersink gauge
  • Identify appropriate fasteners
Course Description

Fillet relief and countersinking are required for some of the holes in this assembly. Other holes, require a combination of counterboring and countersinking to accommodate fluid-tight fasteners.