Description

Jobber drill with cyl. shank High-performance jobber drills for particularly strong and high-strength alloys based on CrNi, Hastelloy®, Inconel®, Monel®, Nimonic®, stainless, acid and heat resistant steels, wear-resistant plates and steels, bronzes up to 1400 N/mm² strength. The special cross-cut geometry enables a very good tapping behaviour, an improved and clean bore accuracy as well as an excellent bore exit. Made of HSS Co8 for extremely high thermal resistance. Point thinning with cross point according to NAS 907 P3 aviation industry.

Specifications

Beschichtung	TiAlN
DIN	DIN 338
Ø h8	4,2 mm
Durchmesser	4,20 mm
F	0,050 mm/U
Stähle bis 1000 N/mm²	20 m/min.
Stähle bis 1400 N/mm²	15 m/min.
Stähle bis 42 HRC	12 m/min.
Rost- und säurebeständige Stähle (INOX)	22 m/min.
Ti, Ti-Leg. und Sonderstähle	12 m/min.
Kupfer, Messing, Bronzen	15 m/min.
Gesamtlänge	75 mm
Spirallänge	43,0 mm
Spitzenwinkel	135°
Schneidstoff	HSS Co8
Spiralwinkel	30°
VE	10 Stück