857070 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
45 50 8 16 22 857070.045050 No
45 63 10 22 24 857070.045063 No
45 80 12 27 26 857070.045080 Yes
45 100 18 32 28 857070.045100 Yes
60 50 10 16 18 857070.060050 Yes
60 63 14 22 20 857070.060063 No
60 80 18 27 22 857070.060080 Yes
60 100 25 32 24 857070.060100 No
90 50 14 16 16 857070.090050 No
90 63 20 22 18 857070.090063 Yes
90 80 22 27 20 857070.090080 Yes
90 100 32 32 24 857070.090100 Yes
120 50 14 16 16 857070.120050 Yes
120 63 20 22 16 857070.120063 Yes
120 80 25 27 20 857070.120080 Yes
120 100 36 32 24 857070.120100 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

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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.