ER nuts are basic nuts with surface treatment for friction reduction. They have slots on the outside diameter and use a spanner wrench for nut tightening.
The high-performance Nirox drill is available in diameters from 0.30 - 3.00 mm. It was developed for use at low cutting speeds and unstable environments.
Micro pilot drill geometries with 1-2xD flute length, large point angle, and positive diametrical tolerance allow them to optimize the guidance of a succeeding drill.
