Description

Short drill with cyl. shank Design: Profile grinding, right cutting, with precision ground point and excellent thermal resistance, with special point thinning. Angle of rake larger than normal, normal core thickness and no core gradient. HSS-E PM has outstanding durability (greater edge stability, more wear-resistant) and a longer tool life. Advantages: Significantly higher process reliability, up to 1/3 longer life and better surface. Application: Durable and break-proof PM steel short drill bit for machining high-alloy steels, tempered and case-hardened steels, cast iron, brass and bronze.

Specifications

Beschichtung	TiN
DIN	DIN 1897
Ø h8	3,9 mm
Durchmesser	3,90 mm
F	0,125 mm/U
Stähle bis 850 N/mm²	40
Stähle bis 1000 N/mm²	25
Stähle bis 1400 N/mm²	18
Stähle bis 42 HRC	15
Rost- und säurebeständige Stähle (INOX)	15
Gusseisenwerkstoffe	45
Gesamtlänge	55 mm
Spirallänge	22 mm
Spitzenwinkel	130 °

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