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	4,2 mm
Durchmesser	4,20 mm
F	0,080 mm/U
Stähle bis 1000 N/mm²	30
Rost- und säurebeständige Stähle (INOX)	18
Ti, Ti-Leg. und Sonderstähle	10
Al, Al- und Mg-Leg.	90
Kupfer, Messing, Bronzen	60
Gesamtlänge	75 mm
Spirallänge	43 mm
Spitzenwinkel	130 °
VE	10 Stück