857070.090080 High-speed steel HSS DIN 847
Clamping element
Type N
Tool geometry
Cutting edges on the perimeter of the double angle cutter.
Material HSS
ϱ
±30'
D
js 16
S d
H 7
Z Item code On stock
90 80 22 27 20 857070.090080 Yes

Cutting conditions


Material

Strength

Ap

Vc
fz(mm/z)
Ø 50

Ø 63

Ø 80

Ø 100
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,8xS 30 0.03 0.035 0.04 0.043
P.4 | Heat treatable steels ≤ 900 N/mm² 0,8xS 20 0.03 0.035 0.04 0.043
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 0,8xS 25 0.03 0.035 0.04 0.043
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,8xS 17 0.03 0.035 0.04 0.043
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 800 N/mm² 0,8xS 50-90 0.03 0.035 0.04 0.043

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Straight bore with standard keyway according to DIN 138.
Tool geometry

Tool geometry

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Helix angle = 0°. Rake angle = 0°.
Material HSS

Material HSS

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High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.
Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
Cutting edges on the perimeter of the double angle cutter.

Cutting edges on the perimeter of the double angle cutter.