Description

Spiral drill set with cyl. shank, HSS, rolled, FORMAT Design: Profile grinding, right cutting, with precision ground point as well as high concentricity and pitch accuracy. Point thinning up to Ø 2.4 mm similar to cross-grinding. Normal angle of rake, core thickness and core gradient. Application: High-performance standard drill for drilling alloyed and non-alloyed steel.

Specifications

Beschichtung	blank
DIN	DIN 338
Ø h8	8,7 mm
Durchmesser	8,70 mm
F	0,200 mm/U
Stähle bis 850 N/mm²	20
Gesamtlänge	125 mm
Spirallänge	81,0 mm
Spitzenwinkel	118 °
Schneidstoff	HSS
Spiralwinkel	103 - 30°
Typ	N