Description

Jobber drill with cyl. shank Design: Profile grinding, right cutting, bright surface with precision ground point and wide, ground flute length and narrow twist. Without point thinning. Angle of rake larger than normal, normal core thickness and without core gradient. Application: Especially suitable for soft and long-chipping materials, aluminium alloys (long-chipping), zinc, copper (long-chipping), silumin, electrodes, plastics (soft) and wood.

Specifications

Beschichtung	blank
DIN	DIN 338
Ø h8	3,0 mm
Durchmesser	3 mm
F	0,080 mm/U
Stähle bis 850 N/mm²	16
Stähle bis 1000 N/mm²	30
Al, Al- und Mg-Leg.	Alu < 8% Si - 70
Kupfer, Messing, Bronzen	Kupfer 50 Vc(m/min)
Gesamtlänge	61 mm
Spirallänge	33 mm
Spitzenwinkel	130 °
VE	10 Stück
Alu	0,080 mm/U

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