620278V High-speed steel HSS Co8 DIN 1880
Clamping element
Type N
Tool geometry
Feed direction possibility
Material HSS Co8
Shell end mills, semicoarse teeth, type N
D
js 16
d
H 7
l1 Z Item code On stock
40 16 32 8 620278V.040 No
50 22 36 8 620278V.050 Yes
63 27 40 8 620278V.063 Yes
80 27 45 10 620278V.080 Yes
100 32 50 12 620278V.100 Yes
125 40 56 14 620278V.125 Yes
160 50 63 16 620278V.160 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 40

Ø 50

Ø 80

Ø 100

Ø 160
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,05xD 0,75xD 45 0.08 0.085 0.11 0.11 0.12
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,05xD 0,75xD 39 0.08 0.085 0.11 0.11 0.12
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 0,05xD 0,75xD 24 0.08 0.085 0.11 0.11 0.12
P.4 | Heat treatable steels ≤ 900 N/mm² 0,05xD 0,75xD 30 0.08 0.085 0.11 0.11 0.12
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 0,05xD 0,75xD 24 0.08 0.085 0.11 0.11 0.12
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 0,05xD 0,75xD 15 0.08 0.085 0.11 0.11 0.12
K.2 | Cast iron > 240 HB 0,05xD 0,75xD 25 0.08 0.085 0.11 0.11 0.12

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight bore with standard keyway and driving slot according to DIN 138.
Tool geometry

Tool geometry

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Helix angle = 30°. Rake angle = 12°.
Material HSS Co8

Material HSS Co8

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Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.
Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
Feed direction possibility

Feed direction possibility