Description

Solid carbide jobber drill, SuperLine Design: Right cutting, with special grinding. With twisted internal cooling through the bar. Normal angle of rake, core thickness thicker than normal and without core gradient. The drill has a very good self-centring behaviour and produces short chips, even from long-chipping materials. Application: For accurate holes with narrow Ø tolerances and good surfaces. Suitable for drilling deep holes up to 12 x D with high cutting values. Particularly suitable for economical production of deep drill holes in steel, castings and non-ferrous metals.

Specifications

Stähle bis 1000 N/mm²	88
Stähle bis 42 HRC	40
Spirallänge l2	258 mm
Spirallänge	60
Schaft-Ø d2 = h6	20 mm
Schaftlänge l3	50 mm
Stähle bis 850 N/mm²	80
Stähle bis 1400 N/mm²	70
Kupfer, Messing, Bronzen	120
Gusseisenwerkstoffe	90
Gesamtlänge l1	310 mm
Rost- und säurebeständige Stähle (INOX)	40
F	0,400 mm/U
Durchmesser	19,50 mm
Ø d1 = m7	19,50 mm
DIN	DIN 6535
Bohrtiefe	12 x D
Beschichtung	Fire
Al, Al- und Mg-Leg.	150