UN

(UNC, UNF, UNEF) INTERNAL

Features

  • UNC UNF UNEF Internal thread form
  • Coolant fed for efficient chip evacuation
  • 30˚ right-hand spiral flute design
  • 3 to 5 flute designs
  • Metric shank diameters
  • Bright finished or TICN coated for abrasion resistance

UN  UN  UN  UN  UN  UN  UN

Tolerance
  • Diameter
  • Range
  • 1d<8
  • 0 / -0.02
  • 8≤d<18
  • 0 / -0.03
  • 25≤d
  • 0 / -0.04
UN