820070.040 High-speed steel HSS ~DIN 855A
Clamping element
Type N
Tool geometry
Material HSS
R
H 11
D
js 16
S d
H 7
Z Item code On stock
4 63 16 22 12 820070.040 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 50

Ø 63

Ø 80

Ø 100

Ø 125
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1xR 2xR 30 0.08 0.1 0.12 0.14 0.142
P.4 | Heat treatable steels ≤ 900 N/mm² 1xR 2xR 20 0.08 0.1 0.12 0.14 0.142
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 1xR 2xR 25 0.08 0.1 0.12 0.14 0.142
K.2 | Cast iron (> 240 HB) > 800 N/mm² 1xR 2xR 17 0.08 0.1 0.12 0.14 0.142

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 = 10°.
Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
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.