Description

Jobber drill with cyl. shank Design: Profile grinding, right cutting, with precision ground point as well as high concentricity and pitch accuracy. Normal angle of rake, core thickness and core gradient. Application: Powerful jobber drill for drilling alloyed and unalloyed steel, grey cast iron, malleable cast iron, copper alloys, nickel silver, graphite and sintered iron.

Specifications

Beschichtung	dampf.
DIN	DIN 338
Ø h8	7,70 mm
Durchmesser	7,70 mm
Stähle bis 1000 N/mm²	15
Gesamtlänge	117 mm
Spirallänge	75,0 mm
Spitzenwinkel	118°