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.
C-CUTTER BOY is designed to simplify your chamfering operations on manual bench-drilling machines. Its carbide support pads and carbide inserts provide long tool life. Three cutting edges make it an economical option.