HSS - TIN Step Drill Bit
HSS Drill Bit
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HSS TIN fully ground bit stoped drill
Titanium nitride coating.
118° tip angle.
Diameters marked on the bit.
Shank with three flats
The TIN coating extends the tool life.
Helical flute that improves penetration inside the material.
Shank with three flats to guarantee optimum tightening in the chuck.
The deburring tool makes it possible to make a clean hole.
Cast Iron, spheroidal