Description

Solid carbide jobber drill, SuperLine Design: Triple-edged with point-shaped tip, special grinding and special thinning. Normal angle of rake 28°, core thickness thicker than normal and without core gradient. Application: For drilling into the full piece for holes with an accurate position and shape up to 5 x D. Particularly for castings and long chipping al-alloys. Note: Due to the centring tip, spot centring can be omitted in some cases.

Specifications

Spirallänge	61 mm
Schaft-Ø = h6	10 mm
Schaftlänge l3	40 mm
Kupfer, Messing, Bronzen	180
Gusseisenwerkstoffe	80
Gesamtlänge	103 mm
F	0,250 mm/U
Durchmesser	8,70 mm
Ø = m7	8,7 mm
DIN	DIN 6537
Bohrtiefe	5 x D
Beschichtung	blank
Al, Al- und Mg-Leg.	180