Description

Jobber drill with cyl. shank Design: Particularly sturdy model. Profile grinding, right cutting, with precision ground point, high pitch accuracy and excellent thermal resistance. Angle of rake larger than normal, core thickness thinner than normal and normal core gradient. Application: Special drills for stainless, acid/heat resistant as well as austenitic steels (INOX), aluminium, aluminium alloys, copper and brass.

Specifications

Beschichtung	blank
DIN	DIN 338
Ø h8	6,9 mm
Durchmesser	6,90 mm
F	0,125 mm/U
Rost- und säurebeständige Stähle (INOX)	18 m/min.
Ti, Ti-Leg. und Sonderstähle	10 m/min.
Al, Al- und Mg-Leg.	90 m/min.
Kupfer, Messing, Bronzen	60 m/min.
Gesamtlänge	109 mm
Spirallänge	69 mm
Spitzenwinkel	130°
Schneidstoff	HSS Co5
Spiralwinkel	35°
VE	10 Stück

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