RobbJack’s SS and SR-series miniature end mills

May 24, 2021

RobbJack offers SS and SR-series diameters in every increment of 0.001".

  • Cutting diameters starting at 0.005”
  • Tolerances in microns (0.000039”), smaller than a human hair
  • Hand-select diameters to nearest 0.0002”
  • Primary relief angles maximize quality machining performance
  • CVD diamond coating for certain applications

View the SS tool series here.

View the SR tool series here.

Download RobbJack’s current Miniature Guide here.

Miniature tool edge geometries may not be visible to the naked eye, but they’re critical for machining quality and consistency.