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The set contains 10 HSS spiral drills in the INOX in HSSE-Co5 (M35) type for industrial uses. The sturdy plastic box protects the tools against dirt and damage.
Advantages
Very good chip removal.
High concentricity.
Exact centring and low feed force thanks to cross grinding.
Particularly well suited for tough and hard materials, such as alloyed and high-strength steel, stainless steel (INOX).
Robust tip profile.
Very long tool life.
Very good temperature resistance due to Co content.
Recommendations for use
Observe the recommended rotational speeds.
When drilling metals, use a high-quality cutting oil or cooling lubricant, if possible. This facilitates smooth running and extends the drill tool life. Exception: when working on aluminium, use kerosene instead of cutting oil.
When working on stainless steel (INOX), remove any particles that break away from the workpiece in order to avoid corrosion. Clean the workpiece chemically or mechanically (etching/polishing, etc.).