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Fractional Performance Step Drill

Part Number : AKNKKK4-1/4-3/4

Quick Overview

Features and Benefits:

  • Made from special moly alloy steel and gold surface treated for maximum lubricity
  • Dual flute construction drills clean accurate holes in thin materials
  • Use for all thin metals, rigid plastics such as Plexiglass and wood or composite materials with a thickness equal to or less than the step thickness
  • Enlarges holes 1/4" - 3/4"

9 sizes, size increments: 1/16". When drilling steel with 1/8" or greater thickness, a starter hole of the smallest step diameter will speed the drilling process.

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