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Big Difference In Micro Machining

SS stub length and SR standard length miniature end mills for extreme precision

Get the most accurate and long-lasting carbide miniatures on the planet. RobbJack SS and SR series micro end mills—when nothing less will cut it.

Miniature tool edge geometries may not be visible to the naked eye, but they’re critical for machining quality and consistency. Diameters available in every increment of .001.

Miniature Tool Tips and Tricks

Micromachining with miniature carbide end mills? Here’s what you need to know to do the job right…
RobbJack Micro Cutting Tools

Our value-added manufacturing optimizes your machining performance. Use our tool search to find your next micro tooling solution!

The RobbJack difference:

  • Cutting diameters starting at 0.005″
  • Tolerances in microns, smaller than a human hair
  • Hand-select diameters to nearest 0.0002″
  • Primary relief angles maximize quality outcomes
  • PVD coating for certain applications
RobbJack Micro Solution

High speed solid carbide miniature tool in action! 1/8″ diameter, 25000 RPM, brass material.
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