Spiralbohrer PREMUS, HSS Typ N 106050 - With Morse taper and

- With Morse taper and ejector tab

- reusable sanding sleeve holder with steel shank

- Flank ground and relief ground

- only one-sided with good or reject side

- Concentricity < 0

Spiralbohrer PREMUS, HSS Typ N 106050 - With Morse taper andVersion 102000 and 102050: made of HSS Cone surface grinding Gouging from 14,25 mm steam treated Use 102000 and 102050: Standard twist drill for general machining in alloyed, unalloyed steel, cast steel, gray cast iron, malleable cast iron, ductile cast iron, sintered iron, nickel silver, and graphite. Version 102350: made from HSS Co Cone surface grinding Gouging from 10,00 mm steam treated Use 102350: Alloyed, unalloyed steels and cast types over